fix type of keywords entry in frontmatter (in /cs-engine/) (docker#554)

keywords should be a string, not an array containing one string

Signed-off-by: Gaetan de Villele <[email protected]>

Author: gdevillele

cs-engine/index.md

@@ -1,14 +1,13 @@
 ---
+description: Learn more about the Commercially Supported Docker Engine.
+keywords: docker, engine, documentation
 redirect_from:
 - /docker-trusted-registry/cs-engine/
-description: Learn more about the Commercially Supported Docker Engine.
-keywords:
-- docker, engine, documentation
 title: Commercially Supported Docker Engine
 ---
 
 This section includes the following topics:
 
 * [Install CS Docker Engine](install.md)
 * [Upgrade](upgrade.md)
-* [Release notes](release-notes/release-notes.md)
+* [Release notes](release-notes/release-notes.md)

cs-engine/install.md

@@ -1,11 +1,10 @@
 ---
+description: Learn how to install the commercially supported version of Docker Engine.
+keywords: docker, engine, dtr, install
 redirect_from:
 - /docker-trusted-registry/install/engine-ami-launch/
 - /docker-trusted-registry/install/install-csengine/
 - /docker-trusted-registry/cs-engine/install/
-description: Learn how to install the commercially supported version of Docker Engine.
-keywords:
-- docker, engine, dtr, install
 title: Install Commercially Supported Docker Engine
 ---
 
@@ -195,4 +194,4 @@ to the `docker` group.
     $ sudo usermod -a -G docker $USER
     ```
 
-8. Log out and log back in to have your new permissions take effect.
+8. Log out and log back in to have your new permissions take effect.

cs-engine/release-notes/index.md

@@ -1,11 +1,10 @@
 ---
+description: The release notes for CS Docker Engine.
+keywords: docker, engine, release notes
 redirect_from:
 - /docker-trusted-registry/cs-engine/release-notes/
-description: The release notes for CS Docker Engine.
-keywords:
-- docker, engine, release notes
 title: Commercially Supported Docker Engine release notes
 ---
 
 * [Release notes](release-notes.md)
-* [Prior release notes](prior-release-notes.md)
+* [Prior release notes](prior-release-notes.md)

cs-engine/release-notes/prior-release-notes.md

@@ -1,10 +1,9 @@
 ---
+description: Archived release notes for commercially supported Docker Engine
+keywords: docker, documentation, about, technology, understanding, enterprise, hub, registry, release, commercially supported Docker Engine
 redirect_from:
 - /docker-trusted-registry/cse-prior-release-notes/
 - /docker-trusted-registry/cs-engine/release-notes/prior-release-notes/
-description: Archived release notes for commercially supported Docker Engine
-keywords:
-- docker, documentation, about, technology, understanding, enterprise, hub, registry, release, commercially supported Docker Engine
 title: Release notes archive for Commercially Supported Docker Engine.
 ---
 
@@ -333,4 +332,4 @@ Because this addition is preventative, no CVE-ID is requested.
 (23 Apr 2015)
 
 First release, see the [Docker Engine 1.6.0 Release notes](/v1.6/release-notes/)
-  for more details.
+  for more details.

cs-engine/release-notes/release-notes.md

@@ -1,10 +1,9 @@
 ---
+description: Commercially supported Docker Engine release notes
+keywords: docker, documentation, about, technology, understanding, enterprise, hub, registry, Commercially Supported Docker Engine, release notes
 redirect_from:
 - /docker-trusted-registry/cse-release-notes/
 - /docker-trusted-registry/cs-engine/release-notes/release-notes/
-description: Commercially supported Docker Engine release notes
-keywords:
-- docker, documentation, about, technology, understanding, enterprise, hub, registry, Commercially Supported Docker Engine, release notes
 title: Commercially Supported Engine release notes
 ---
 
@@ -114,4 +113,4 @@ https://github.com/docker/docker/issues/22486
 ## CS Engine 1.11.1-cs1
 (27 April 2016)
 
-In this release the CS Engine is supported on RHEL 7.2 OS
+In this release the CS Engine is supported on RHEL 7.2 OS

cs-engine/upgrade.md

@@ -1,9 +1,8 @@
 ---
+description: Learn how to install the commercially supported version of Docker Engine.
+keywords: docker, engine, dtr, upgrade
 redirect_from:
 - /docker-trusted-registry/cs-engine/upgrade/
-description: Learn how to install the commercially supported version of Docker Engine.
-keywords:
-- docker, engine, dtr, upgrade
 title: Upgrade Commercially Supported Docker Engine
 ---
 
@@ -263,4 +262,4 @@ Use these instructions to update APT-based systems.
 
     ```bash
     $ sudo apt-get upgrade docker-engine
-    ```
+    ```