fix type of keywords entry in frontmatter (in /notary/) (docker#553)

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

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

notary/advanced_usage.md

@@ -1,7 +1,6 @@
 ---
 description: Becoming a power user of the notary client.
-keywords:
-- docker, notary, notary-client, docker content trust, content trust, power user, advanced
+keywords: docker, notary, notary-client, docker content trust, content trust, power user, advanced
 title: Use the Notary client for advanced users
 ---
 
@@ -251,4 +250,4 @@ a collection, `tuf` stores TUF metadata and changelists to be applied to a GUN,
 and `private` stores private keys.
 
 The `root_keys` subdirectory within `private` stores root private keys, while
-`tuf_keys` stores targets, snapshots, and delegations private keys.
+`tuf_keys` stores targets, snapshots, and delegations private keys.

notary/changelog.md

@@ -1,7 +1,6 @@
 ---
 description: Notary release changelog
-keywords:
-- docker, notary, changelog, notary changelog, notary releases, releases, notary versions, versions
+keywords: docker, notary, changelog, notary changelog, notary releases, releases, notary versions, versions
 title: Notary Changelog
 ---
 
@@ -36,4 +35,4 @@ Initial notary non-alpha release.
 Implements The Update Framework (TUF) with root, targets, snapshot, and timestamp roles to sign and verify content of a trusted collection.
 
 > Detailed release notes can be found here:
-<a href="https://github.com/docker/notary/releases/tag/v0.1" target="_blank">v0.1 release notes</a>.
+<a href="https://github.com/docker/notary/releases/tag/v0.1" target="_blank">v0.1 release notes</a>.

notary/getting_started.md

@@ -1,7 +1,6 @@
 ---
 description: Performing basic operation to use Notary in tandem with Docker Content Trust.
-keywords:
-- docker, Notary, notary-client, docker content trust, content trust
+keywords: docker, Notary, notary-client, docker content trust, content trust
 title: Getting started with Docker Notary
 ---
 
@@ -146,4 +145,4 @@ alias dockernotary="notary -s https://notary.docker.io -d ~/.docker/trust"
 ```
 
 More advanced methods of configuration, and additional options, can be found in
-the [configuration doc](reference/index.md) and by running `notary --help`.
+the [configuration doc](reference/index.md) and by running `notary --help`.

notary/index.md

@@ -1,7 +1,6 @@
 ---
 description: List of Notary Documentation
-keywords:
-- docker, notary, trust, image, signing, repository, tuf
+keywords: docker, notary, trust, image, signing, repository, tuf
 title: Docker Notary
 ---
 
@@ -10,4 +9,4 @@ title: Docker Notary
 * [Service Architecture](service_architecture.md)
 * [Running a Service](running_a_service.md)
 * [Configuration files](reference/index.md)
-* [Changelog](changelog.md)
+* [Changelog](changelog.md)

notary/running_a_service.md

@@ -1,7 +1,6 @@
 ---
 description: Run your own notary service to host arbitrary content signing.
-keywords:
-- docker, notary, notary-server, notary server, notary-signer, notary signer
+keywords: docker, notary, notary-server, notary server, notary-signer, notary signer
 title: Run a Notary service
 ---
 
@@ -240,4 +239,4 @@ not be cached.
 ## Related information
 
 * [Notary service architecture](service_architecture.md)
-* [Notary configuration files](reference/index.md)
+* [Notary configuration files](reference/index.md)

notary/service_architecture.md

@@ -1,7 +1,6 @@
 ---
 description: How the three requisite notary components interact
-keywords:
-- docker, notary, notary-client, docker content trust, content trust, notary-server, notary server, notary-signer, notary signer, notary architecture
+keywords: docker, notary, notary-client, docker content trust, content trust, notary-server, notary server, notary-signer, notary signer, notary architecture
 title: Understand the Notary service architecture
 ---
 
@@ -371,4 +370,4 @@ changed immediately.
 ## Related information
 
 * [Run a Notary service](running_a_service.md)
-* [Notary configuration files](reference/index.md)
+* [Notary configuration files](reference/index.md)