fix type of keywords entry in frontmatter (in /docker-for-windows/ dir) (#497)

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

Signed-off-by: Gaetan de Villele <gdevillele@gmail.com>

docker-for-windows/examples.md

@@ -1,7 +1,6 @@
 ---
 description: Docker for Mac and Docker for Windows Tutorials
-keywords:
+keywords: mac, windows, examples, Compose
-- mac, windows, examples, Compose
 title: Example applications
 ---
 
@@ -21,4 +20,4 @@ able to run these with Docker for Mac and Docker for Windows.
 - [Quickstart: Compose and WordPress](/compose/wordpress/)
 
 See also [learn by example](/engine/tutorials/) tutorials on building images,
-running containers, networking, managing data, and storing images on Docker Hub.
+running containers, networking, managing data, and storing images on Docker Hub.

docker-for-windows/faqs.md

@@ -1,7 +1,6 @@
 ---
 description: Frequently asked questions
-keywords:
+keywords: windows faqs
-- windows faqs
 title: Frequently asked questions (FAQ)
 ---
 
@@ -183,4 +182,4 @@ in [Troubleshooting](troubleshoot.md).
 You might decide that you do not need Toolbox now that you have Docker for Windows, and want to uninstall it. For
 details on how to perform a clean uninstall of Toolbox on Windows, see [How to
 uninstall Toolbox](/toolbox/toolbox_install_windows.md#how-to-uninstall-toolbox)
-in the Toolbox Windows topics.
+in the Toolbox Windows topics.

docker-for-windows/index.md

@@ -1,4 +1,6 @@
 ---
+description: Getting Started
+keywords: windows, beta, alpha, tutorial
 redirect_from:
 - /winkit/getting-started/
 - /winkit/
@@ -6,9 +8,6 @@ redirect_from:
 - /windows/started/
 - /docker-for-windows/started/
 - /installation/windows/
-description: Getting Started
-keywords:
-- windows, beta, alpha, tutorial
 title: Get started with Docker for Windows
 ---
 
@@ -470,4 +469,4 @@ If you want to go back to using Docker Toolbox, you have to disable the Hyper-V
 
 * Check out the <a href="https://blog.docker.com/2016/06/docker-mac-windows-public-beta/">blog posts</a> on Docker for Mac and Docker for Windows public betas, and <a href="https://blog.docker.com/2016/03/docker-for-mac-windows-beta/">earlier posts</a> on the initial private beta.
 
-* Please give feedback on your experience with the app and report bugs and problems by logging into our [Docker for Windows forum](https://forums.docker.com/c/docker-for-windows).
+* Please give feedback on your experience with the app and report bugs and problems by logging into our [Docker for Windows forum](https://forums.docker.com/c/docker-for-windows).

docker-for-windows/opensource.md

@@ -1,7 +1,6 @@
 ---
 description: Docker's use of Open Source
-keywords:
+keywords: docker, opensource
-- docker, opensource
 title: Open source components and licensing
 ---
 
@@ -11,4 +10,4 @@ details on the licensing, choose <img src="../images/whale-x.png">
 
 Docker Desktop Editions distribute some components that are licensed under the
 GNU General Public License. You can download the source for these components
-[here](https://download.docker.com/opensource/License.tar.gz).
+[here](https://download.docker.com/opensource/License.tar.gz).

docker-for-windows/release-notes.md

@@ -1,9 +1,8 @@
 ---
+description: Change log / release notes per release
+keywords: pinata, alpha, tutorial
 redirect_from:
 - /winkit/release-notes/
-description: Change log / release notes per release
-keywords:
-- pinata, alpha, tutorial
 title: Docker for Windows Release notes
 ---
 
@@ -1096,4 +1095,4 @@ are working on a solution.
 	    Email us at <a href="mailto:feedback@docker.com?subject=Docker%20Feedback">feedback@docker.com</a>
 	    </p>
 		</div>
-		</div>
+		</div>

docker-for-windows/troubleshoot.md

@@ -1,9 +1,8 @@
 ---
+description: Troubleshooting, logs, and known issues
+keywords: windows, troubleshooting, logs, issues
 redirect_from:
 - /windows/troubleshoot/
-description: Troubleshooting, logs, and known issues
-keywords:
-- windows, troubleshooting, logs, issues
 title: Logs and troubleshooting
 ---
 
@@ -328,4 +327,4 @@ relates to Docker: [Docker fails to start on Windows
 10](https://github.com/docker/for-win/issues/27).
 
 For a temporary workaround, uninstall the firewall or anti-virus software, or explore other
-workarounds suggested on the forum.
+workarounds suggested on the forum.