Plunker reminder #1775

1-js/12-generators-iterators/2-async-iterators-generators/article.md

@@ -384,6 +384,8 @@ An example of use (shows commit authors in console):
   }
 
 })();
+
+// Note: If you are running this in an external sandbox, you'll need to paste here the function fetchCommits described above 
 ```
 
 That's just what we wanted.