diff --git a/_posts/2021-04-29-release-1.12.3.md b/_posts/2021-04-29-release-1.12.3.md
index 53eb745b24..8770b8e8e0 100644
--- a/_posts/2021-04-29-release-1.12.3.md
+++ b/_posts/2021-04-29-release-1.12.3.md
@@ -77,7 +77,7 @@ List of resolved issues:
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/FLINK-21431'>FLINK-21431</a>] -         UpsertKafkaTableITCase.testTemporalJoin hang
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/FLINK-21434'>FLINK-21434</a>] -         When UDAF return ROW type, and the number of fields is more than 14, the crash happend
+<li>[<a href='https://issues.apache.org/jira/browse/FLINK-21434'>FLINK-21434</a>] -         When UDAF return ROW type, and the number of fields is more than 14, the crash happened
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/FLINK-21497'>FLINK-21497</a>] -         JobLeaderIdService completes leader future despite no leader being elected
 </li>
diff --git a/community.md b/community.md
index fbf9fa999e..a860303be1 100644
--- a/community.md
+++ b/community.md
@@ -149,7 +149,7 @@ If you send us an email with a code snippet, make sure that:
 
 Committers are watching [Stack Overflow](http://stackoverflow.com/questions/tagged/apache-flink) for the [apache-flink](http://stackoverflow.com/questions/tagged/apache-flink) tag.
 
-Make sure to tag your questions there accordingly to get answers from the Flink community.
+Make sure to tag your questions accordingly to get answers from the Flink community.
 
 ## Issue Tracker
 
diff --git a/content/blog/feed.xml b/content/blog/feed.xml
index 5bec2a8070..c5da64d935 100644
--- a/content/blog/feed.xml
+++ b/content/blog/feed.xml
@@ -3409,7 +3409,7 @@ zhushang, zhuxiaoshang, Zhu Zhu, zjuwangg, zoucao, zoudan, 左元, 星, 肖佳
 &lt;/li&gt;
 &lt;li&gt;[&lt;a href=&quot;https://issues.apache.org/jira/browse/FLINK-21431&quot;&gt;FLINK-21431&lt;/a&gt;] -         UpsertKafkaTableITCase.testTemporalJoin hang
 &lt;/li&gt;
-&lt;li&gt;[&lt;a href=&quot;https://issues.apache.org/jira/browse/FLINK-21434&quot;&gt;FLINK-21434&lt;/a&gt;] -         When UDAF return ROW type, and the number of fields is more than 14, the crash happend
+&lt;li&gt;[&lt;a href=&quot;https://issues.apache.org/jira/browse/FLINK-21434&quot;&gt;FLINK-21434&lt;/a&gt;] -         When UDAF return ROW type, and the number of fields is more than 14, the crash happened
 &lt;/li&gt;
 &lt;li&gt;[&lt;a href=&quot;https://issues.apache.org/jira/browse/FLINK-21497&quot;&gt;FLINK-21497&lt;/a&gt;] -         JobLeaderIdService completes leader future despite no leader being elected
 &lt;/li&gt;
diff --git a/content/community.html b/content/community.html
index e9b1c8bd17..e6d37b467c 100644
--- a/content/community.html
+++ b/content/community.html
@@ -375,7 +375,7 @@ <h2 id="stack-overflow">Stack Overflow</h2>
 
 <p>Committers are watching <a href="http://stackoverflow.com/questions/tagged/apache-flink">Stack Overflow</a> for the <a href="http://stackoverflow.com/questions/tagged/apache-flink">apache-flink</a> tag.</p>
 
-<p>Make sure to tag your questions there accordingly to get answers from the Flink community.</p>
+<p>Make sure to tag your questions accordingly to get answers from the Flink community.</p>
 
 <h2 id="issue-tracker">Issue Tracker</h2>
 
diff --git a/content/contributing/code-style-and-quality-components.html b/content/contributing/code-style-and-quality-components.html
index b7a24ac1e2..7f9f742e48 100644
--- a/content/contributing/code-style-and-quality-components.html
+++ b/content/contributing/code-style-and-quality-components.html
@@ -403,7 +403,7 @@ <h4 id="compatibility">Compatibility</h4>
 
 <ul>
   <li>Backwards compatibility for state in streaming SQL relies on the fact that the physical execution plan remains stable. Otherwise the generated Operator Names/IDs change and state cannot be matched and restored.</li>
-  <li>Every bug fix that leads to changes in the optimized physical plan of a streaming pipeline hences breaks compatibility.</li>
+  <li>Every bug fix that leads to changes in the optimized physical plan of a streaming pipeline hence breaks compatibility.</li>
   <li>As a consequence, changes of the kind that lead to different optimizer plans can only be merged in major releases for now.</li>
 </ul>
 
diff --git a/content/contributing/code-style-and-quality-preamble.html b/content/contributing/code-style-and-quality-preamble.html
index 1234a051ab..80a2a15bca 100644
--- a/content/contributing/code-style-and-quality-preamble.html
+++ b/content/contributing/code-style-and-quality-preamble.html
@@ -276,7 +276,7 @@ <h1>Apache Flink Code Style and Quality Guide — Preamble</h1>
   <ol>
     <li id="fn:1">
 
-      <p>In earlier days, we (the Flink community) did not always pay sufficient attention to this, making some components of Flink harder to evolve and to contribute to. <a href="#fnref:1" class="reversefootnote">&#8617;</a></p>
+      <p>In earlier days, we (the Flink community) did not always pay sufficient attention to this, making some components of Flink harder to evolve and contribute to. <a href="#fnref:1" class="reversefootnote">&#8617;</a></p>
     </li>
   </ol>
 </div>
diff --git a/content/contributing/docs-style.html b/content/contributing/docs-style.html
index 950946f5d7..80e1ba26ce 100644
--- a/content/contributing/docs-style.html
+++ b/content/contributing/docs-style.html
@@ -711,7 +711,7 @@ <h3 id="code">Code</h3>
   <li>
     <p><strong>Commands in code blocks.</strong> Commands can be documented using <code>bash</code> syntax 
 highlighted code blocks. The following items should be considered when adding 
-commands to the docummentation:</p>
+commands to the documentation:</p>
     <ul>
       <li><strong>Use long parameter names.</strong> Long parameter names help the reader to 
 understand the purpose of the command. They should be preferred over their 
diff --git a/content/contributing/reviewing-prs.html b/content/contributing/reviewing-prs.html
index 4b7a5341b6..925e6914f0 100644
--- a/content/contributing/reviewing-prs.html
+++ b/content/contributing/reviewing-prs.html
@@ -289,7 +289,7 @@ <h3 id="does-the-contribution-need-attention-from-some-specific-committers-and-i
 
 <h3 id="does-the-implementation-follow-the-agreed-upon-overall-approacharchitecture">4. Does the Implementation Follow the Agreed Upon Overall Approach/Architecture?</h3>
 
-<p>In this step, we check if a contribution folllows the agreed upon approach from the previous discussion in Jira or the mailing lists.</p>
+<p>In this step, we check if a contribution follows the agreed upon approach from the previous discussion in Jira or the mailing lists.</p>
 
 <p>This question should be answerable from the Pull Request description (or the linked Jira) as much as possible.</p>
 
diff --git a/content/gettinghelp.html b/content/gettinghelp.html
index 8af8eafb0c..fc4833df2f 100644
--- a/content/gettinghelp.html
+++ b/content/gettinghelp.html
@@ -200,7 +200,7 @@ <h1>Getting Help</h1>
 
 <div class="page-toc">
 <ul id="markdown-toc">
-  <li><a href="#having-a-question" id="markdown-toc-having-a-question">Having a Question?</a>    <ul>
+  <li><a href="#have-a-question" id="markdown-toc-have-a-question">Have a Question?</a>    <ul>
       <li><a href="#user-mailing-list" id="markdown-toc-user-mailing-list">User Mailing List</a></li>
       <li><a href="#stack-overflow" id="markdown-toc-stack-overflow">Stack Overflow</a></li>
     </ul>
@@ -220,7 +220,7 @@ <h1>Getting Help</h1>
 
 </div>
 
-<h2 id="having-a-question">Having a Question?</h2>
+<h2 id="have-a-question">Have a Question?</h2>
 
 <p>The Apache Flink community answers many user questions every day. You can search for answers and advice in the archives or reach out to the community for help and guidance.</p>
 
@@ -252,7 +252,7 @@ <h2 id="found-a-bug">Found a Bug?</h2>
 
 <p>If you observe an unexpected behavior that might be caused by a bug, you can search for reported bugs or file a bug report in <a href="https://issues.apache.org/jira/issues/?jql=project %3D FLINK">Flink’s JIRA</a>.</p>
 
-<p>If you are unsure whether the unexpected behavior happend due to a bug or not, please post a question to the <a href="#user-mailing-list">user mailing list</a>.</p>
+<p>If you are unsure whether the unexpected behavior happened due to a bug or not, please post a question to the <a href="#user-mailing-list">user mailing list</a>.</p>
 
 <h2 id="got-an-error-message">Got an Error Message?</h2>
 
diff --git a/content/news/2021/04/29/release-1.12.3.html b/content/news/2021/04/29/release-1.12.3.html
index daabba229e..858d02390d 100644
--- a/content/news/2021/04/29/release-1.12.3.html
+++ b/content/news/2021/04/29/release-1.12.3.html
@@ -267,7 +267,7 @@ <h2>        Bug
 </li>
 <li>[<a href="https://issues.apache.org/jira/browse/FLINK-21431">FLINK-21431</a>] -         UpsertKafkaTableITCase.testTemporalJoin hang
 </li>
-<li>[<a href="https://issues.apache.org/jira/browse/FLINK-21434">FLINK-21434</a>] -         When UDAF return ROW type, and the number of fields is more than 14, the crash happend
+<li>[<a href="https://issues.apache.org/jira/browse/FLINK-21434">FLINK-21434</a>] -         When UDAF return ROW type, and the number of fields is more than 14, the crash happened
 </li>
 <li>[<a href="https://issues.apache.org/jira/browse/FLINK-21497">FLINK-21497</a>] -         JobLeaderIdService completes leader future despite no leader being elected
 </li>
diff --git a/content/roadmap.html b/content/roadmap.html
index 17047302fd..40cbff1e67 100644
--- a/content/roadmap.html
+++ b/content/roadmap.html
@@ -307,7 +307,7 @@ <h2 id="a-unified-sql-platform">A unified SQL Platform</h2>
 
 <ul>
   <li>Change-Data-Capture: Capturing a stream of data changes, directly from databases, by attaching to the
-transaction log. The community is adding more CDC intrgrations.
+transaction log. The community is adding more CDC integrations.
     <ul>
       <li>External CDC connectors: <a href="https://flink-packages.org/packages/cdc-connectors">https://flink-packages.org/packages/cdc-connectors</a></li>
       <li>Background: <a href="https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=147427289">FLIP-105</a>
@@ -445,7 +445,7 @@ <h1 id="applications-vs-clusters-flink-as-a-library">Applications vs. Clusters;
 <ul>
   <li>
     <p>Reactive Scaling lets Flink applications change their parallelism in response to growing and shrinking
-worker pools, and makes Flink compatibel with standard auto-scalers:
+worker pools, and makes Flink compatible with standard auto-scalers:
 <a href="https://cwiki.apache.org/confluence/display/FLINK/FLIP-159%3A+Reactive+Mode">FLIP-159</a></p>
   </li>
   <li>
diff --git a/contributing/code-style-and-quality-components.md b/contributing/code-style-and-quality-components.md
index 0478b78416..f881cad12b 100644
--- a/contributing/code-style-and-quality-components.md
+++ b/contributing/code-style-and-quality-components.md
@@ -128,7 +128,7 @@ Avoid full integration tests
 Don’t introduce physical plan changes in minor releases!
 
 * Backwards compatibility for state in streaming SQL relies on the fact that the physical execution plan remains stable. Otherwise the generated Operator Names/IDs change and state cannot be matched and restored.
-* Every bug fix that leads to changes in the optimized physical plan of a streaming pipeline hences breaks compatibility.
+* Every bug fix that leads to changes in the optimized physical plan of a streaming pipeline hence breaks compatibility.
 * As a consequence, changes of the kind that lead to different optimizer plans can only be merged in major releases for now.
 
 
diff --git a/contributing/code-style-and-quality-preamble.md b/contributing/code-style-and-quality-preamble.md
index 3b672fc3b4..667bc4e9a8 100644
--- a/contributing/code-style-and-quality-preamble.md
+++ b/contributing/code-style-and-quality-preamble.md
@@ -22,4 +22,4 @@ A big part of high-quality open source contributions is about helping the review
 <hr>
 
 [^1]:
-     In earlier days, we (the Flink community) did not always pay sufficient attention to this, making some components of Flink harder to evolve and to contribute to.
+     In earlier days, we (the Flink community) did not always pay sufficient attention to this, making some components of Flink harder to evolve and contribute to.
diff --git a/contributing/docs-style.md b/contributing/docs-style.md
index 08dbef7b16..2fdb266338 100644
--- a/contributing/docs-style.md
+++ b/contributing/docs-style.md
@@ -465,7 +465,7 @@ Or using plain HTML:
 
 * **Commands in code blocks.** Commands can be documented using `bash` syntax 
   highlighted code blocks. The following items should be considered when adding 
-  commands to the docummentation:
+  commands to the documentation:
   * **Use long parameter names.** Long parameter names help the reader to 
     understand the purpose of the command. They should be preferred over their 
     short counterparts.
diff --git a/contributing/reviewing-prs.md b/contributing/reviewing-prs.md
index 6ddd2c5604..4c99c0c9d3 100644
--- a/contributing/reviewing-prs.md
+++ b/contributing/reviewing-prs.md
@@ -61,7 +61,7 @@ This question can be answered with
 
 ### 4. Does the Implementation Follow the Agreed Upon Overall Approach/Architecture?
 
-In this step, we check if a contribution folllows the agreed upon approach from the previous discussion in Jira or the mailing lists.
+In this step, we check if a contribution follows the agreed upon approach from the previous discussion in Jira or the mailing lists.
 
 This question should be answerable from the Pull Request description (or the linked Jira) as much as possible.
 
diff --git a/gettinghelp.md b/gettinghelp.md
index 4fd04efc92..1397fc4ddd 100644
--- a/gettinghelp.md
+++ b/gettinghelp.md
@@ -6,7 +6,7 @@ title: "Getting Help"
 
 {% toc %}
 
-## Having a Question?
+## Have a Question?
 
 The Apache Flink community answers many user questions every day. You can search for answers and advice in the archives or reach out to the community for help and guidance.
 
@@ -34,7 +34,7 @@ Many members of the Flink community are active on [Stack Overflow](https://stack
 
 If you observe an unexpected behavior that might be caused by a bug, you can search for reported bugs or file a bug report in [Flink's JIRA](https://issues.apache.org/jira/issues/?jql=project %3D FLINK).
 
-If you are unsure whether the unexpected behavior happend due to a bug or not, please post a question to the [user mailing list](#user-mailing-list).
+If you are unsure whether the unexpected behavior happened due to a bug or not, please post a question to the [user mailing list](#user-mailing-list).
 
 ## Got an Error Message?
 
diff --git a/roadmap.md b/roadmap.md
index bedd48fc03..18dbd12cce 100644
--- a/roadmap.md
+++ b/roadmap.md
@@ -85,7 +85,7 @@ integrations. With user feedback, those are continuously improved.
 **More Connector and Change Data Capture Support**
 
   - Change-Data-Capture: Capturing a stream of data changes, directly from databases, by attaching to the
-    transaction log. The community is adding more CDC intrgrations.
+    transaction log. The community is adding more CDC integrations.
       - External CDC connectors: [https://flink-packages.org/packages/cdc-connectors](https://flink-packages.org/packages/cdc-connectors)
       - Background: [FLIP-105](https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=147427289)
         (CDC support for SQL) and [Debezium](https://debezium.io/).
@@ -193,7 +193,7 @@ Deploy Flink jobs as self-contained Applications works for all deployment target
 ([FLIP-85](https://cwiki.apache.org/confluence/display/FLINK/FLIP-85+Flink+Application+Mode)).
 
   - Reactive Scaling lets Flink applications change their parallelism in response to growing and shrinking
-    worker pools, and makes Flink compatibel with standard auto-scalers:
+    worker pools, and makes Flink compatible with standard auto-scalers:
     [FLIP-159](https://cwiki.apache.org/confluence/display/FLINK/FLIP-159%3A+Reactive+Mode)
 
   - Kubernetes-based HA-services let Flink applications run on Kubernetes without requiring a ZooKeeper dependency: