Fixed problems in MSBuild Task documentation

docs/usage/msbuild-task.md

@@ -1,24 +1,26 @@
 # MSBuild Task
 
-The MSBuild Task for GitVersion — **GitVersionTask** — a simple solution if you
-want to version your assemblies without writing any command line scripts or
-modifying your build process. 
+The MSBuild Task for GitVersion — **GitVersionTask** — is a simple solution if
+you want to version your assemblies without writing any command line scripts or
+modifying your build process.
 
 ## TL;DR
 
 ### Install
 
 It works simply by installing the [GitVersionTask NuGet
 Package](https://www.nuget.org/packages/GitVersionTask/) into the project you
-want to have versioned by GitVersion: 
+want to have versioned by GitVersion:
 
-    Install-Package GitVersionTask
+```shell
+Install-Package GitVersionTask
+```
 
 ### Remove attributes
 
 The next thing you need to do, is remove the `Assembly*Version` attributes from
 your `Properties\AssemblyInfo.cs` files, so GitVersionTask can be in charge of
-versioning your assemblies. 
+versioning your assemblies.
 
 ### Done!
 
@@ -32,7 +34,7 @@ described below.
 
 ## How does it work?
 
-### Inject version metadata into the assembly 
+### Inject version metadata into the assembly
 
 The sub-task named `GitVersionTask.UpdateAssemblyInfo` will inject version
 metadata into the assembly which GitVersionTask is added to. For each assembly
@@ -45,7 +47,7 @@ At build time a temporary `AssemblyInfo.cs` will be created that contains the
 appropriate SemVer information. This will be included in the build pipeline.
 Sample default:
 
-```c#
+```csharp
 [assembly: AssemblyVersion("1.0.0.0")]
 [assembly: AssemblyFileVersion("1.0.0.0")]
 [assembly: AssemblyInformationalVersion("1.1.0+Branch.master.Sha.722aad3217bd49a6576b6f82f60884e612f9ba58")]
@@ -56,32 +58,32 @@ Now when you build:
 * `AssemblyVersion` will be set to the `AssemblySemVer` variable.
 * `AssemblyFileVersion` will be set to the `MajorMinorPatch` variable with a
 * appended `.0`. `AssemblyInformationalVersion` will be set to the
-* `InformationalVersion` variable. 
+* `InformationalVersion` variable.
 
 #### Other injected Variables
 
 All other [variables](../more-info/variables.md) will be injected into an
-internal static class: 
+internal static class:
 
-```c#
+```csharp
 namespace AssemblyName
 {
-	[CompilerGenerated]
-	internal static class GitVersionInformation
-	{
-		public static string Major = "1";
-		public static string Minor = "1";
-		public static string Patch = "0";
-		...All other variables
-	}
+    [CompilerGenerated]
+    internal static class GitVersionInformation
+    {
+        public static string Major = "1";
+        public static string Minor = "1";
+        public static string Patch = "0";
+        ...All other variables
+    }
 }
 ```
 
 #### Accessing injected Variables
 
 ##### All variables
 
-```c#
+```csharp
 var assemblyName = assembly.GetName().Name;
 var gitVersionInformationType = assembly.GetType(assemblyName + ".GitVersionInformation");
 var fields = gitVersionInformationType.GetFields();
@@ -94,7 +96,7 @@ foreach (var field in fields)
 
 ##### Specific variable
 
-```c#
+```csharp
 var assemblyName = assembly.GetName().Name;
 var gitVersionInformationType = assembly.GetType(assemblyName + ".GitVersionInformation");
 var versionField = gitVersionInformationType.GetField("Major");
@@ -118,7 +120,7 @@ After `GitVersionTask.GetVersion` has executed, the MSBuild properties can be
 used in the standard way. For example:
 
 ```xml
-<Message Text="GitVersion_InformationalVersion: $(GitVersion_InformationalVersion)"/> 
+<Message Text="GitVersion_InformationalVersion: $(GitVersion_InformationalVersion)"/>
 ```
 
 ### Communicate variables to current Build Server
@@ -129,7 +131,7 @@ the version information to the current Build Server log.
 If, at build time, it is detected that the build is occurring inside a Build
 Server then the [variables](../more-info/variables.md) will be written to the
 Build Server log in a format that the current Build Server can consume. See
-[Build Server Support](../build-server-support/build-server-support.md). 
+[Build Server Support](../build-server-support/build-server-support.md).
 
 ## Conditional control tasks
 
@@ -147,7 +149,7 @@ this:
   ...
 </PropertyGroup>
 ```
-  
+
 ## My Git repository requires authentication. What do I do?
 
 Set the environmental variables `GITVERSION_REMOTE_USERNAME` and