add some punctuation

@@ -64,8 +64,8 @@ segments live on. This has some implications on CORS because when set, the
 `Access-Control-Allow-Origin` header cannot be set to `*`, also, the response
 headers require the addition of `Access-Control-Allow-Credentials` header which
 is set to `true`.
-See [html5rocks's article](http://www.html5rocks.com/en/tutorials/cors/)
-for more info
+See html5rocks's [article](http://www.html5rocks.com/en/tutorials/cors/)
+for more info.
 
 ### Runtime Properties
 #### player.hls.master