Fix minor grammar issues

doc/README.md

@@ -58,7 +58,7 @@ The following sections provide links to documentation for each DevOps stage:
 | [Release](#release)     | Application release and delivery features.                  |
 | [Configure](#configure) | Application and infrastructure configuration tools.         |
 | [Monitor](#monitor)     | Application monitoring and metrics features.                |
-| [Secure](#secure)       | Security capability feature.                                |
+| [Secure](#secure)       | Security capability features.                               |
 <div align="right">
   <a type="button" class="btn btn-default" href="#overview">

doc/development/ui_guide.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/animation.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/foundations/motion'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com).

doc/development/ux_guide/basics.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/components.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/copy.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/features.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/illustrations.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/foundations/illustration/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/index.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/principles.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/resources.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/resources/design-resources'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/surfaces.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/tips.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
\ No newline at end of file
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).

doc/development/ux_guide/users.md

@@ -2,4 +2,4 @@
 redirect_to: 'https://design.gitlab.com/getting-started/personas/'
 ---
-The content of this documented was moved into the [GitLab Design System](https://design.gitlab.com/).
+The content of this document was moved into the [GitLab Design System](https://design.gitlab.com/).