Updated Cloud labels

"emergency" fix as this UI change went live and I wasn't notified.

docker-cloud/builds/automated-testing.md

@@ -80,8 +80,8 @@ Docker repository, regardless of the Autotest settings.
     The following options are available:
 
     * `Off`: No additional test builds. Tests only run if they're configured as part of an automated build.
-    * `Source repository`: Run a test build for any pull requests to branches that match a build rule, but only when the pull request comes from the same source repository.
-    * `Source repository & external pull requests`: Run a test build for any pull requests to branches that match a build rule, including when the pull request originated in an external source repository.
+    * `Internal pull requests`: Run a test build for any pull requests to branches that match a build rule, but only when the pull request comes from the same source repository.
+    * `Internal and external pull requests`: Run a test build for any pull requests to branches that match a build rule, including when the pull request originated in an external source repository.
 
     > **Note**: For security purposes, autotest on _external pull requests_ is
     disabled on public repositories. If you select this option on a public