[1.6.x] Fixed broken sphinx reference to staticfiles.
Backport of 751dc0a from master
|@@ -106,7 +106,7 @@ this by adding the following snippet to your urls.py::|
|Also this helper function only serves the actual :setting:`STATIC_ROOT`|
|folder; it doesn't perform static files discovery like|
|Serving files uploaded by a user during development.|