Add update api

docs/api/v2/README.md

@@ -528,13 +528,14 @@ Both APIs will return the following response body or terminal output:
 ```
 
 ### Update A User's Feed
-After all feed ids and user ids are known, feeds can be updated in parallel
+After all feed ids and user ids are known, feeds can be updated in parallel.
 
 **Console API**:
 * **Positional Parameters**:
   * **{feedId}**: the feed's id
   * **{userId}**: the user's id
 
+
     php -f /path/to/owncloud/occ news:updater:update-feed {feedId} {userId}
 
 **REST API**: