diff --git a/src/_includes/docs/catalog-page.md b/src/_includes/docs/catalog-page.md
index 48162ef3355..2d8b15e48d4 100644
--- a/src/_includes/docs/catalog-page.md
+++ b/src/_includes/docs/catalog-page.md
@@ -31,7 +31,7 @@
{% for sub in category.subcategories -%}
{% assign components = catalog.widgets | filterByProperty: "subcategories", sub.name, true %}
{% if components.size != 0 -%}
-
+
## {{sub.name}}
diff --git a/src/_includes/docs/china-notice-cn.md b/src/_includes/docs/china-notice-cn.md
index e7878ae54a2..2998c1fa5ab 100644
--- a/src/_includes/docs/china-notice-cn.md
+++ b/src/_includes/docs/china-notice-cn.md
@@ -3,4 +3,4 @@
诡ĺč [ĺ¨ä¸ĺ˝ç˝çťçŻĺ˘ä¸ä˝żç¨ Flutter][] ć楣.
:::
-[ĺ¨ä¸ĺ˝ç˝çťçŻĺ˘ä¸ä˝żç¨ Flutter]: https://docs.flutter.cn/community/china
\ No newline at end of file
+[ĺ¨ä¸ĺ˝ç˝çťçŻĺ˘ä¸ä˝żç¨ Flutter]: https://docs.flutter.cn/community/china
diff --git a/src/_includes/docs/code-and-image.md b/src/_includes/docs/code-and-image.md
index 9f5df9ab3d1..47b7e0e071a 100644
--- a/src/_includes/docs/code-and-image.md
+++ b/src/_includes/docs/code-and-image.md
@@ -25,4 +25,3 @@
{% endif -%}
-
diff --git a/src/_includes/docs/community/china/os-settings.md b/src/_includes/docs/community/china/os-settings.md
index 15acf8dacf0..2b6b15d2919 100644
--- a/src/_includes/docs/community/china/os-settings.md
+++ b/src/_includes/docs/community/china/os-settings.md
@@ -12,9 +12,9 @@
{% capture setpath -%}{{envvarset}}PATH = $pwd.PATH + "/flutter/bin",$env:PATH -join ";"{% endcapture -%}
{% capture newdir -%}{{prompt}} New-Item -Path '{{installdirsuggestion}}' -ItemType Directory{% endcapture -%}
{% capture unzip -%} {{prompt}} Expand-Archive .\{% endcapture -%}
- {% capture permaddexample -%}
+ {% capture permaddexample -%}
# cd to flutter dir
-$currentDirectory = Get-Location
+$currentDirectory = Get-Location
$newPath = "$currentDirectory\bin;$env:PATH"
[System.Environment]::SetEnvironmentVariable('Path', $newPath, 'User')
[System.Environment]::SetEnvironmentVariable('PUB_HOSTED_URL', 'https://pub.flutter-io.cn', 'User')
diff --git a/src/_includes/docs/cookbook/networking/internet-permission.md b/src/_includes/docs/cookbook/networking/internet-permission.md
index 774a1499bd3..a71937ed26b 100644
--- a/src/_includes/docs/cookbook/networking/internet-permission.md
+++ b/src/_includes/docs/cookbook/networking/internet-permission.md
@@ -1,4 +1,4 @@
-If you are deploying to Android, edit your `AndroidManifest.xml` file to
+If you are deploying to Android, edit your `AndroidManifest.xml` file to
add the Internet permission.
```xml
@@ -6,7 +6,7 @@ add the Internet permission.
```
-Likewise, if you are deploying to macOS, edit your
+Likewise, if you are deploying to macOS, edit your
`macos/Runner/DebugProfile.entitlements` and `macos/Runner/Release.entitlements`
files to include the network client entitlement.
diff --git a/src/_includes/docs/debug/debug-android-attach-process.md b/src/_includes/docs/debug/debug-android-attach-process.md
index ae686dab11a..bcf881a0fc2 100644
--- a/src/_includes/docs/debug/debug-android-attach-process.md
+++ b/src/_includes/docs/debug/debug-android-attach-process.md
@@ -50,9 +50,9 @@
{% comment %}
{:width="100%"}
-
+
The Android Project view highlighting the `GeneratedPluginRegistrant.java` file.
-
+
{% endcomment %}
@@ -77,4 +77,4 @@ The Dart debug pane with two breakpoints set in `lib/main.dart`.
The Android debug pane with one breakpoint set in GeneratedPluginRegistrant.java.
-{% endcomment %}
\ No newline at end of file
+{% endcomment %}
diff --git a/src/_includes/docs/debug/debug-flow-ios.md b/src/_includes/docs/debug/debug-flow-ios.md
index 63d328ba51f..8ce859c83bf 100644
--- a/src/_includes/docs/debug/debug-flow-ios.md
+++ b/src/_includes/docs/debug/debug-flow-ios.md
@@ -62,9 +62,9 @@ If you use Xcode to debug most of your code, start with this section.
{% comment %}

-
+
Flutter app generated as a Windows app. The app displays two buttons to open this page in a browser or in the app.
diff --git a/src/_includes/docs/debug/debug-flow-xcode-as-start.md b/src/_includes/docs/debug/debug-flow-xcode-as-start.md
index 357496e46b7..3827463bbc8 100644
--- a/src/_includes/docs/debug/debug-flow-xcode-as-start.md
+++ b/src/_includes/docs/debug/debug-flow-xcode-as-start.md
@@ -56,4 +56,4 @@
{% comment %}

-{% endcomment %}
\ No newline at end of file
+{% endcomment %}
diff --git a/src/_includes/docs/get-started/setup-next-steps.html b/src/_includes/docs/get-started/setup-next-steps.html
index 3a05a7accf6..000ace38e37 100644
--- a/src/_includes/docs/get-started/setup-next-steps.html
+++ b/src/_includes/docs/get-started/setup-next-steps.html
@@ -1,7 +1,8 @@