fix type of keywords entry in frontmatter (in /docker-store/, /toolbox/, and /kitematic/ dirs) (#499)

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

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

docker-store/faq.md

@@ -1,7 +1,6 @@
 ---
 description: Docker Store frequently asked questions
-keywords:
-- Docker, docker, store, purchase images
+keywords: Docker, docker, store, purchase images
 title: Docker Store frequently asked questions (FAQ)
 ---
 
@@ -78,4 +77,4 @@ You can view and download your all active licenses for an organization from the
 Subscriptions page.
 
 Click the user icon menu at the top right, choose **Subscriptions** and then
-select the organization from the **Accounts** drop down menu.
+select the organization from the **Accounts** drop down menu.

docker-store/index.md

@@ -1,7 +1,6 @@
 ---
 description: Docker Store overview
-keywords:
-- Docker, docker, store, purchase images
+keywords: Docker, docker, store, purchase images
 title: Docker Store overview
 ---
 
@@ -80,4 +79,4 @@ The Docker Store is in private Beta. [Sign up today](https://store.docker.com/be
 * [Publisher Hub](publish.md)
   * How to become a publisher
   * Publisher expectations
--->
+-->

docker-store/publish.md

@@ -1,7 +1,6 @@
 ---
 description: Submit a product for the Docker Store
-keywords:
-- Docker, docker, store, purchase images
+keywords: Docker, docker, store, purchase images
 title: Submit a product to Docker Store
 ---
 
@@ -185,4 +184,4 @@ ready to publish to the Docker Store.
 Once you receive this email you can go to the Docker Store and click "Publish"
 to make your product available.
 
-> **Tip**: Docker does not automatically make the approved product available. This means you can time the product's release on the Docker Store with announcements or marketing activity.
+> **Tip**: Docker does not automatically make the approved product available. This means you can time the product's release on the Docker Store with announcements or marketing activity.

kitematic/faq.md

@@ -1,8 +1,7 @@
 ---
 description: Documentation covering common questions users have about Kitematic
-keywords:
-- docker, documentation, about, technology, kitematic,  gui
-title: "Kitematic: Frequently asked questions (FAQ)"
+keywords: docker, documentation, about, technology, kitematic,  gui
+title: 'Kitematic: Frequently asked questions (FAQ)'
 ---
 
 ### Is Kitematic Open Source?
@@ -60,4 +59,4 @@ kitematic@docker.com or to open an issue on GitHub.
 ## Next Steps
 
 For information about known issues in the current release of Kitematic, take a
-look at the [Known issues](./known-issues.md).
+look at the [Known issues](./known-issues.md).

kitematic/index.md

@@ -1,10 +1,9 @@
 ---
 description: Documentation that provides an overview of Kitematic and installation instructions
-keywords:
-- docker, documentation, about, technology, kitematic,  gui
+keywords: docker, documentation, about, technology, kitematic, gui
 title: Kitematic
 ---
 
 Kitematic, the Docker GUI, runs on macOS and Windows operating systems. Beginning with the 1.8 Docker release, you use the Docker Toolbox to install Kitematic.  See the [macOS installation guide](/docker-for-mac/) or the [Windows installation guide](/docker-for-windows/) for details on installing with Docker Toolbox.
 
-For information about using Kitematic, take a look at the [User Guide](userguide.md).
+For information about using Kitematic, take a look at the [User Guide](userguide.md).

kitematic/known-issues.md

@@ -1,8 +1,7 @@
 ---
 description: Information about known issues in Kitematic
-keywords:
-- docker, documentation, about, technology, kitematic,  gui
-title: "Kitematic: Known issues"
+keywords: docker, documentation, about, technology, kitematic,  gui
+title: 'Kitematic: Known issues'
 ---
 
 Kitematic is in beta, so we're still working out the kinks. The most common
@@ -40,4 +39,4 @@ if you're looking to help fix specific issues around VM provisioning.
 ## View All Issues
 
 For a full list of Kitematic bugs or issues see our <a href="https://github.com/kitematic/kitematic/issues?q=is%3Aopen+is%3Aissue+label%3Abug">existing GitHub
-issues</a> labelled as `bug`.
+issues</a> labelled as `bug`.

kitematic/minecraft-server.md

@@ -1,8 +1,7 @@
 ---
 description: Tutorial demonstrating the setup of a Minecraft server using Docker and Kitematic
-keywords:
-- docker, documentation, about, technology, kitematic, gui, minecraft,  tutorial
-title: "Kitematic tutorial: Set up a Minecraft server"
+keywords: docker, documentation, about, technology, kitematic, gui, minecraft, tutorial
+title: 'Kitematic tutorial: Set up a Minecraft server'
 ---
 
 This is a quick tutorial demonstrating how to set up a local Minecraft server
@@ -69,4 +68,4 @@ Go back to your Minecraft client and join your server. The new map should load.
 ## Next Steps
 
 For an example using Kitematic to run Nginx, take a look at the [Nginx web
-server](./nginx-web-server.md) page.
+server](./nginx-web-server.md) page.

kitematic/nginx-web-server.md

@@ -1,8 +1,7 @@
 ---
 description: Tutorial demonstrating the setup of an Nginx web server using Docker and Kitematic
-keywords:
-- docker, documentation, about, technology, kitematic, gui, nginx,  tutorial
-title: "Kitematic tutorial: Serve a static website with NGINX"
+keywords: docker, documentation, about, technology, kitematic, gui, nginx, tutorial
+title: 'Kitematic tutorial: Serve a static website with NGINX'
 ---
 
 In this tutorial, you will:
@@ -78,4 +77,4 @@ serve a website we downloaded.
 ## Next Steps
 
 For an example using Kitematic to run a Local RethinkDB database, take a look at
-the [RethinkDB development Database](./rethinkdb-dev-database.md) example.
+the [RethinkDB development Database](./rethinkdb-dev-database.md) example.

kitematic/rethinkdb-dev-database.md

@@ -1,8 +1,7 @@
 ---
 description: Tutorial demonstrating the setup of an RethinkDB database for development
-keywords:
-- docker, documentation, about, technology, kitematic, gui, rethink,  tutorial
-title: "Kitematic tutorial: Create a local RethinkDB database for development"
+keywords: docker, documentation, about, technology, kitematic, gui, rethink, tutorial
+title: 'Kitematic tutorial: Create a local RethinkDB database for development'
 ---
 
 In this tutorial, you will:
@@ -59,4 +58,4 @@ Now, point your browser to `http://localhost:8000`. Congratulations, you've
 successfully used a RethinkDB container in Kitematic to build a real-time chat
 app. Happy coding!
 
-![Rethink app preview](images/rethinkdb-preview.png)
+![Rethink app preview](images/rethinkdb-preview.png)

kitematic/userguide.md

@@ -1,8 +1,7 @@
 ---
 description: Documentation that provides an overview of Kitematic and installation instructions
-keywords:
-- docker, documentation, about, technology, kitematic, gui
-title: "Kitematic user guide"
+keywords: docker, documentation, about, technology, kitematic, gui
+title: Kitematic user guide
 ---
 
 ## Overview
@@ -189,4 +188,4 @@ Now, go back to Kitematic. The Redis container should now be visible.
 ## Next Steps
 
 For an example using Kitematic to run a Minecraft server, take a look at
-the [Minecraft server](./minecraft-server.md) page.
+the [Minecraft server](./minecraft-server.md) page.

thank-you-subscribing-docker-weekly.md

@@ -1,10 +1,8 @@
 ---
 description: We've sent you a welcome email with links to previous newsletters.
-keywords:
-- Docker, documentation, manual, guide, reference, api
+keywords: Docker, documentation, manual, guide, reference, api
 title: Thank you for subscribing to Docker weekly
 ---
 
 We've sent you a welcome email with links to previous newsletters.
-Please check your inbox to confirm you received it.
-
+Please check your inbox to confirm you received it.

toolbox/faqs/index.md

@@ -1,8 +1,7 @@
 ---
 description: FAQs, troubleshooting, and tips index for Toolbox installs
 identifier: toolbox_overview_faqs
-keywords:
-- docker, documentation, about, technology, kitematic, gui, toolbox
+keywords: docker, documentation, about, technology, kitematic, gui, toolbox
 title: FAQs and troubleshooting
 ---
 
@@ -14,4 +13,4 @@ In the process of installing and setting up Docker, you might run into problems
 
 * _**Looking for help with error messages?**_ Go to  [Troubleshooting](troubleshoot.md).
 
- 
+ 

toolbox/faqs/troubleshoot.md

@@ -1,7 +1,6 @@
 ---
 description: Troubleshooting connectivity and certificate issues
-keywords:
-- beginner, getting started, FAQs, troubleshooting, Docker
+keywords: beginner, getting started, FAQs, troubleshooting, Docker
 title: Troubleshooting
 ---
 
@@ -153,4 +152,4 @@ Here is an example of creating a `default` machine with proxies set to `http://e
 
 To learn more about using `docker-machine create`, see the [create](/machine/reference/create/) command in the [Docker Machine](/machine/overview/) reference.
 
- 
+ 

toolbox/index.md

@@ -1,7 +1,6 @@
 ---
 description: Documentation that provides an overview of Docker Toolbox and installation instructions
-keywords:
-- docker, documentation, about, technology, docker toolbox, gui
+keywords: docker, documentation, about, technology, docker toolbox, gui
 title: Docker Toolbox
 ---
 
@@ -9,4 +8,4 @@ Available for both Windows and Mac, Docker Toolbox installs the Docker Client, M
 
 **Learn about Docker Toolbox**. See [Docker Toolbox Overview](overview.md) for a quick tour of how to install Toolbox, and get started with Docker Machine, Kitematic, and Docker Compose.
 
-**Ready to download Toolbox?**  <a href="https://www.docker.com/products/docker-toolbox">Download Docker Toolbox</a> from products.
+**Ready to download Toolbox?**  <a href="https://www.docker.com/products/docker-toolbox">Download Docker Toolbox</a> from products.

toolbox/overview.md

@@ -1,7 +1,6 @@
 ---
 description: Documentation that provides an overview of Toolbox
-keywords:
-- docker, documentation, about, technology, kitematic, gui, toolbox
+keywords: docker, documentation, about, technology, kitematic, gui, toolbox
 title: Docker Toolbox Overview
 ---
 
@@ -46,4 +45,4 @@ Choose the install instructions for your platform, and follow the steps:
 
 * [Learn about Docker Machine](/machine/overview.md)
 
-* [Learn about Docker Compose](/compose/overview.md)
+* [Learn about Docker Compose](/compose/overview.md)

toolbox/toolbox_install_mac.md

@@ -1,7 +1,6 @@
 ---
 description: How to install Toolbox on Mac
-keywords:
-- docker, documentation, install, toolbox, mac
+keywords: docker, documentation, install, toolbox, mac
 title: Install Docker Toolbox on macOS
 ---
 
@@ -202,4 +201,4 @@ To uninstall Toolbox on a Mac, do the following:
     $ rm /usr/local/bin/docker
     $ rm /usr/local/bin/docker-compose
     $ rm /usr/local/bin/docker-machine
-    ```
+    ```

toolbox/toolbox_install_windows.md

@@ -1,7 +1,6 @@
 ---
 description: How to install Toolbox on Mac
-keywords:
-- docker, documentation, install, toolbox, win
+keywords: docker, documentation, install, toolbox, win
 title: Install Docker Toolbox on Windows
 ---
 
@@ -193,4 +192,4 @@ To uninstall Toolbox on Windows, do the following:
 
     >**Note:** This process does not remove the `docker-install.exe` file. You must delete that file yourself.
 
- 
+