diff --git a/xml/System.IO.Enumeration/FileSystemEntry.xml b/xml/System.IO.Enumeration/FileSystemEntry.xml
index 389935d4f72..42033a4b725 100644
--- a/xml/System.IO.Enumeration/FileSystemEntry.xml
+++ b/xml/System.IO.Enumeration/FileSystemEntry.xml
@@ -23,7 +23,7 @@
     </Attribute>
   </Attributes>
   <Docs>
-    <summary>To be added.</summary>
+    <summary>Provides a lower level view of <see cref="T:System.IO.FileSystemInfo" /> to help process and filter find results.</summary>
     <remarks>To be added.</remarks>
   </Docs>
   <Members>
@@ -47,8 +47,8 @@
         <ReturnType>System.IO.FileAttributes</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the attributes for this entry.</summary>
+        <value>The attributes for this entry.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -72,8 +72,8 @@
         <ReturnType>System.DateTimeOffset</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the creation time for the entry or the oldest available time stamp if the operating system does not support creation time stamps.</summary>
+        <value>The creation time for the entry.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -97,8 +97,8 @@
         <ReturnType>System.ReadOnlySpan&lt;System.Char&gt;</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the full path of the directory this entry resides in.</summary>
+        <value>The full path of this entry's directory.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -122,8 +122,8 @@
         <ReturnType>System.ReadOnlySpan&lt;System.Char&gt;</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the file name for this entry.</summary>
+        <value>This entry's file name.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -147,8 +147,8 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets a value that indicates whether this entry is a directory.</summary>
+        <value><see langword="true" /> if the entry is a directory; otherwise, <see langword="true" />.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -172,8 +172,8 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets a value that indicates whether the file has the hidden attribute.</summary>
+        <value><see langword="true" /> if the file has the hidden attribute; otherwise, <see langword="false" />.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -197,8 +197,8 @@
         <ReturnType>System.DateTimeOffset</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets a datetime offset that represents the last access time in UTC.</summary>
+        <value>The last access time in UTC.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -222,8 +222,8 @@
         <ReturnType>System.DateTimeOffset</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets a datetime offset that represents the last write time in UTC.</summary>
+        <value>The last write time in UTC.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -247,8 +247,8 @@
         <ReturnType>System.Int64</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the length of the file, in bytes.</summary>
+        <value>The file length in bytes.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -272,8 +272,8 @@
         <ReturnType>System.ReadOnlySpan&lt;System.Char&gt;</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the root directory for the enumeration as specified in the constructor.</summary>
+        <value>The original root directory.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -297,8 +297,8 @@
         <ReturnType>System.ReadOnlySpan&lt;System.Char&gt;</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the full path of the root directory used for the enumeration.</summary>
+        <value>The root directory.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -323,8 +323,8 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Converts the value of this instance to a <see cref="T:System.IO.FileSystemInfo" />.</summary>
+        <returns>The value of this instance as a <see cref="T:System.IO.FileSystemInfo" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -349,8 +349,8 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Returns the full path of the find result.</summary>
+        <returns>A string representing the full path.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -375,10 +375,10 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Returns the full path for the find results, based on the initially provided path.</summary>
+        <returns>A string representing the full path.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
   </Members>
-</Type>
\ No newline at end of file
+</Type>
diff --git a/xml/System.IO.Enumeration/FileSystemEnumerable`1+FindPredicate.xml b/xml/System.IO.Enumeration/FileSystemEnumerable`1+FindPredicate.xml
index 0c8290deb9e..acd9a3aa3bb 100644
--- a/xml/System.IO.Enumeration/FileSystemEnumerable`1+FindPredicate.xml
+++ b/xml/System.IO.Enumeration/FileSystemEnumerable`1+FindPredicate.xml
@@ -26,9 +26,9 @@
     <ReturnType>System.Boolean</ReturnType>
   </ReturnValue>
   <Docs>
-    <param name="entry">To be added.</param>
-    <summary>To be added.</summary>
-    <returns>To be added.</returns>
+    <param name="entry">A reference to the file system entry that will be evaluated with the predicate condition.</param>
+    <summary>Encapsulates a method for filtering out find results.</summary>
+    <returns><see langword="true" /> if the predicate condition is met; otherwise, <see langword="false" />.</returns>
     <remarks>To be added.</remarks>
   </Docs>
-</Type>
\ No newline at end of file
+</Type>
diff --git a/xml/System.IO.Enumeration/FileSystemEnumerable`1+FindTransform.xml b/xml/System.IO.Enumeration/FileSystemEnumerable`1+FindTransform.xml
index 814ae93899f..b2704b06857 100644
--- a/xml/System.IO.Enumeration/FileSystemEnumerable`1+FindTransform.xml
+++ b/xml/System.IO.Enumeration/FileSystemEnumerable`1+FindTransform.xml
@@ -26,9 +26,9 @@
     <ReturnType>TResult</ReturnType>
   </ReturnValue>
   <Docs>
-    <param name="entry">To be added.</param>
-    <summary>To be added.</summary>
-    <returns>To be added.</returns>
+    <param name="entry">A reference to the file system entry that will be evaluated with the predicate condition.</param>
+    <summary>Encapsulates a method for transforming raw find data into a result.</summary>
+    <returns>An instance of the type that this delegate encapsulates.</returns>
     <remarks>To be added.</remarks>
   </Docs>
-</Type>
\ No newline at end of file
+</Type>
diff --git a/xml/System.IO.Enumeration/FileSystemEnumerable`1.xml b/xml/System.IO.Enumeration/FileSystemEnumerable`1.xml
index 929e7d974ca..bec6125a8f6 100644
--- a/xml/System.IO.Enumeration/FileSystemEnumerable`1.xml
+++ b/xml/System.IO.Enumeration/FileSystemEnumerable`1.xml
@@ -28,8 +28,8 @@
     </Interface>
   </Interfaces>
   <Docs>
-    <typeparam name="TResult">To be added.</typeparam>
-    <summary>To be added.</summary>
+    <typeparam name="TResult">The type that this enumerable encapsulates.</typeparam>
+    <summary>Allows utilizing custom filter predicates and transform delegates for enumeration purposes.</summary>
     <remarks>To be added.</remarks>
   </Docs>
   <Members>
@@ -85,8 +85,8 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Retrieves the enumerator for this type of result.</summary>
+        <returns>An enumerator.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -110,8 +110,8 @@
         <ReturnType>System.IO.Enumeration.FileSystemEnumerable&lt;TResult&gt;+FindPredicate</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets the predicate that can be used to verify if the TResults should be included.</summary>
+        <value>The include predicate.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -135,8 +135,8 @@
         <ReturnType>System.IO.Enumeration.FileSystemEnumerable&lt;TResult&gt;+FindPredicate</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets the predicate that can be used to verify if the TResults should be recursed.</summary>
+        <value>The recurse predicate.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -163,10 +163,10 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Gets an enumerator that can be used to iterate.</summary>
+        <returns>An enumerator instance.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
   </Members>
-</Type>
\ No newline at end of file
+</Type>
diff --git a/xml/System.IO.Enumeration/FileSystemEnumerator`1.xml b/xml/System.IO.Enumeration/FileSystemEnumerator`1.xml
index 68808f2923b..cfdbecc0283 100644
--- a/xml/System.IO.Enumeration/FileSystemEnumerator`1.xml
+++ b/xml/System.IO.Enumeration/FileSystemEnumerator`1.xml
@@ -56,9 +56,9 @@
         <Parameter Name="options" Type="System.IO.EnumerationOptions" />
       </Parameters>
       <Docs>
-        <param name="directory">To be added.</param>
-        <param name="options">To be added.</param>
-        <summary>To be added.</summary>
+        <param name="directory">The directory to search in.</param>
+        <param name="options">Enumeration options to use.</param>
+        <summary>Encapsulates a find operation.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -85,9 +85,9 @@
         <Parameter Name="error" Type="System.Int32" />
       </Parameters>
       <Docs>
-        <param name="error">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="error">The native error code.</param>
+        <summary>When overriden in a derived class, returns a value that indicates whether to continue execution or throw the default exception.</summary>
+        <returns><see langword="true" /> to continue; <see langword="false" /> to throw the default exception for the given error.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -114,8 +114,8 @@
         <ReturnType>TResult</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the currently visited element.</summary>
+        <value>The currently visited element.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -143,7 +143,7 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Releases the resources used by the current instance of the <see cref="T:System.IO.Enumeration.FileSystemEnumerator`1" /> class.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -170,8 +170,8 @@
         <Parameter Name="disposing" Type="System.Boolean" />
       </Parameters>
       <Docs>
-        <param name="disposing">To be added.</param>
-        <summary>To be added.</summary>
+        <param name="disposing"><see langword="true" /> to release both managed and unmanaged resources; <see langword="false" /> to release only unmanaged resources.</param>
+        <summary>When overridden in a derived class, releases the unmanaged resources used by the <see cref="T:System.IO.Enumeration.FileSystemEnumerator`1" /> class and optionally releases the managed resources.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -199,8 +199,8 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Advances the enumerator to the next item of the <see cref="T:System.IO.Enumeration.FileSystemEnumerator`1" />.</summary>
+        <returns><see langword="true" /> if the enumerator successfully advanced to the next item; <see langword="false" /> if the end of the enumerator has been passed.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -227,8 +227,8 @@
         <Parameter Name="directory" Type="System.ReadOnlySpan&lt;System.Char&gt;" />
       </Parameters>
       <Docs>
-        <param name="directory">To be added.</param>
-        <summary>To be added.</summary>
+        <param name="directory">The directory path as a read-only span.</param>
+        <summary>When overriden in a derived class, this method is called whenever the end of a directory is reached.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -256,8 +256,16 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <remarks>To be added.</remarks>
+        <summary>Always throws <see cref="T:System.NotSupportedException" />.</summary>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+As described in the remarks for <xref:System.Collections.IEnumerator>, the `Reset` method is provided for COM interoperability and does not need to be fully implemented; instead, the implementer can throw a <xref:System.NotSupportedException>.
+
+ ]]></format>
+        </remarks>
       </Docs>
     </Member>
     <Member MemberName="ShouldIncludeEntry">
@@ -283,9 +291,9 @@
         <Parameter Name="entry" Type="System.IO.Enumeration.FileSystemEntry" RefType="ref" />
       </Parameters>
       <Docs>
-        <param name="entry">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="entry">A file system entry reference.</param>
+        <summary>When overridden in a derived class, determines whether the specified file system entry should be included in the results.</summary>
+        <returns><see langword="true" /> if the specified file system entry should be included in the results; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -312,9 +320,9 @@
         <Parameter Name="entry" Type="System.IO.Enumeration.FileSystemEntry" RefType="ref" />
       </Parameters>
       <Docs>
-        <param name="entry">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="entry">A file system entry reference.</param>
+        <summary>When overridden in a derived class, determines whether the specified file system entry should be recursed.</summary>
+        <returns><see langword="true" /> if the specified directory entry should be recursed into; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -341,8 +349,8 @@
         <ReturnType>System.Object</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the currently visited object.</summary>
+        <value>The currently visited object.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -370,10 +378,10 @@
       </Parameters>
       <Docs>
         <param name="entry">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>When overridden in a derived class, generates the result type from the current entry.</summary>
+        <returns>The result type from the current entry.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
   </Members>
-</Type>
\ No newline at end of file
+</Type>
diff --git a/xml/System.IO.Enumeration/FileSystemName.xml b/xml/System.IO.Enumeration/FileSystemName.xml
index 4507e4e3b9e..eb5fb1b9800 100644
--- a/xml/System.IO.Enumeration/FileSystemName.xml
+++ b/xml/System.IO.Enumeration/FileSystemName.xml
@@ -18,7 +18,7 @@
   </Base>
   <Interfaces />
   <Docs>
-    <summary>To be added.</summary>
+    <summary>Provides methods for matching file system names.</summary>
     <remarks>To be added.</remarks>
   </Docs>
   <Members>
@@ -46,11 +46,11 @@
         <Parameter Name="ignoreCase" Type="System.Boolean" />
       </Parameters>
       <Docs>
-        <param name="expression">To be added.</param>
-        <param name="name">To be added.</param>
-        <param name="ignoreCase">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="expression">The expression to match with.</param>
+        <param name="name">The name to check against the expression.</param>
+        <param name="ignoreCase"><see langword="true" /> to ignore case (default); <see langword="false" /> if the match should be case-sensitive.</param>
+        <summary>Verifies if the given expression matches the given name. Supports the following wildcards: '*' and '?'. The backslash character '\' escapes.</summary>
+        <returns><see langword="true" /> if the given expression matches the given name; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -78,11 +78,11 @@
         <Parameter Name="ignoreCase" Type="System.Boolean" />
       </Parameters>
       <Docs>
-        <param name="expression">To be added.</param>
-        <param name="name">To be added.</param>
-        <param name="ignoreCase">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="expression">The expression to match with, such as "*.foo".</param>
+        <param name="name">The name to check against the expression.</param>
+        <param name="ignoreCase"><see langword="true" /> to ignore case (default), <see langword="false" /> if the match should be case-sensitive.</param>
+        <summary> Verifies if the given Win32 expression matches the given name. Supports the following wildcards: '*', '?', '&lt;', '&gt;', '"'. The backslash character '\' escapes.</summary>
+        <returns><see langword="true" /> if the given expression matches the given name; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -109,11 +109,19 @@
         <Parameter Name="expression" Type="System.String" />
       </Parameters>
       <Docs>
-        <param name="expression">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
-        <remarks>To be added.</remarks>
+        <param name="expression">The expression to translate.</param>
+        <summary>Translates the given Win32 expression. Change '*' and '?' to '&lt;', '&gt;' and '"' to match Win32 behavior.</summary>
+        <returns>A string with the translated Win32 expression.</returns>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+For compatibility, Windows changes some wildcards to provide a closer match to historical DOS 8.3 filename matching.
+
+ ]]></format>
+        </remarks>
       </Docs>
     </Member>
   </Members>
-</Type>
\ No newline at end of file
+</Type>
diff --git a/xml/System.IO.Packaging/PackUriHelper.xml b/xml/System.IO.Packaging/PackUriHelper.xml
index 097a6d53b6c..613901b9d7a 100644
--- a/xml/System.IO.Packaging/PackUriHelper.xml
+++ b/xml/System.IO.Packaging/PackUriHelper.xml
@@ -635,6 +635,16 @@
         <altmember cref="M:System.IO.Packaging.PackUriHelper.GetNormalizedPartUri(System.Uri)" />
         <altmember cref="M:System.IO.Packaging.PackUriHelper.GetPackageUri(System.Uri)" />
         <related type="ExternalDocumentation" href="https://go.microsoft.com/fwlink/?LinkID=71255">Open Packaging Conventions Specification</related>
+        <exception cref="T:System.ArgumentNullException">If the <paramref name="packUri" /> is <see langword="null" />.</exception>
+        <exception cref="T:System.ArgumentException">If the <paramref name="packUri" /> is not an absolute <see cref="T:System.Uri" />.
+
+-or-
+
+<paramref name="packUri" /> does not have the "pack://" scheme.
+          
+-or-
+          
+The partUri extracted from <paramref name="packUri" /> does not conform to the valid partUri syntax.</exception>
       </Docs>
     </Member>
     <Member MemberName="GetRelationshipPartUri">
@@ -961,4 +971,4 @@ This method does not inspect the part contents; it is based solely on the name.
       </Docs>
     </Member>
   </Members>
-</Type>
\ No newline at end of file
+</Type>
diff --git a/xml/System.IO/EnumerationOptions.xml b/xml/System.IO/EnumerationOptions.xml
index b49eeec173f..7dc8506d3b6 100644
--- a/xml/System.IO/EnumerationOptions.xml
+++ b/xml/System.IO/EnumerationOptions.xml
@@ -39,7 +39,7 @@
       </AssemblyInfo>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Initializes a new instance of the <see cref="T:System.IO.EnumerationOptions" /> class with the recommended default options.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -63,8 +63,8 @@
         <ReturnType>System.IO.FileAttributes</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets the attributes to skip. The default is <c>FileAttributes.Hidden | FileAttributes.System</c>.</summary>
+        <value>The attributes to skip.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -88,9 +88,21 @@
         <ReturnType>System.Int32</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
-        <remarks>To be added.</remarks>
+        <summary>Gets or sets the suggested buffer size, in bytes. The default is 0 (no suggestion).</summary>
+        <value>The buffer size.</value>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+Not all platforms use user allocated buffers, and some require either fixed buffers or a buffer that has enough space to return a full result. 
+One scenario where this option is useful is with remote share enumeration on Windows. Having a large buffer may result in better performance as more results can be batched over the wire (for example, over a network share).
+A "large" buffer, for example, would be 16K. Typical is 4K.
+            
+The suggested buffer size will not be used if it has no meaning for the native APIs on the current platform or if it would be too small for getting at least a single result.
+
+ ]]></format>
+        </remarks>
       </Docs>
     </Member>
     <Member MemberName="IgnoreInaccessible">
@@ -113,8 +125,8 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets a value that indicates whether to skip files or directories when access is denied (for example, <see cref="T:System.UnauthorizedAccessException" /> or <see cref="T:System.Security.SecurityException" />). The default is <see langword="true" />.</summary>        
+        <value><see langword="true" /> to skip innacessible files or directories; otherwise, <see langword="false" />.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -138,9 +150,18 @@
         <ReturnType>System.IO.MatchCasing</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
-        <remarks>To be added.</remarks>
+        <summary>Gets or sets the case matching behavior.</summary>
+        <value>One of the enumeration values that indicates the case matching behavior.</value>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+For APIs that allow specifying a match expression, this property allows you to specify the case matching behavior.
+The default is to match platform defaults, which are gleaned from the case sensitivity of the temporary folder.
+
+ ]]></format>
+        </remarks>
       </Docs>
     </Member>
     <Member MemberName="MatchType">
@@ -163,9 +184,18 @@
         <ReturnType>System.IO.MatchType</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
-        <remarks>To be added.</remarks>
+        <summary>Gets or sets the match type.</summary>
+        <value>One of the enumeration values that indicates the match type.</value>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+For APIs that allow specifying a match expression, this property allows you to specify how to interpret the match expression.
+The default is simple matching where '*' is always 0 or more characters and '?' is a single character.
+
+ ]]></format>
+        </remarks>
       </Docs>
     </Member>
     <Member MemberName="RecurseSubdirectories">
@@ -188,8 +218,8 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets a value that indicates whether to recurse into subdirectories while enumerating. The default is <see langword="false" />.</summary>
+        <value><see langword="true" /> to recurse into subdirectories; otherwise, <see langword="false" />.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -213,10 +243,10 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets a value that indicates whether to return the special directory entries "." and "..".</summary>
+        <value><see langword="true" /> to return the special directory entries "." and ".."; otherwise, <see langword="false" />.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
   </Members>
-</Type>
\ No newline at end of file
+</Type>
diff --git a/xml/System.IO/MatchCasing.xml b/xml/System.IO/MatchCasing.xml
index 37eca49f4f7..f363cc5a373 100644
--- a/xml/System.IO/MatchCasing.xml
+++ b/xml/System.IO/MatchCasing.xml
@@ -42,7 +42,7 @@
       </ReturnValue>
       <MemberValue>2</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Matches ignoring character casing.</summary>
       </Docs>
     </Member>
     <Member MemberName="CaseSensitive">
@@ -66,7 +66,7 @@
       </ReturnValue>
       <MemberValue>1</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Matches respecting character casing.</summary>
       </Docs>
     </Member>
     <Member MemberName="PlatformDefault">
@@ -90,8 +90,8 @@
       </ReturnValue>
       <MemberValue>0</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Matches using the default casing for the given platform.</summary>
       </Docs>
     </Member>
   </Members>
-</Type>
\ No newline at end of file
+</Type>
diff --git a/xml/System.IO/MatchType.xml b/xml/System.IO/MatchType.xml
index 47a6c597b6c..fab9c95a497 100644
--- a/xml/System.IO/MatchType.xml
+++ b/xml/System.IO/MatchType.xml
@@ -42,7 +42,16 @@
       </ReturnValue>
       <MemberValue>0</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Matches using '*' and '?' wildcards.</summary>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+`*` matches zero to any amount of characters. `?` matches exactly one character. `*.*` matches any name with a period in it (with `Win32` this would match all items).
+
+ ]]></format>
+        </remarks>
       </Docs>
     </Member>
     <Member MemberName="Win32">
@@ -66,8 +75,17 @@
       </ReturnValue>
       <MemberValue>1</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Match using Win32 DOS style matching semantics. '*', '?', '&lt;', '&gt;', and '"' are all considered wildcards.</summary>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+Matches in a traditional DOS `/` Windows command prompt way. `*.*` matches all files. `?` matches collapse to periods. `file.??t` will match `file.t`, `file.at`, and `file.txt`.
+
+ ]]></format>
+        </remarks>
       </Docs>
     </Member>
   </Members>
-</Type>
\ No newline at end of file
+</Type>