change title

docs/farfutureexpires.rst

@@ -30,8 +30,8 @@ This technique obviously has a drawback, when you want to change your files,
 you need to change their names, since their URLs will be cached... that's right: forever!
 The solution to that is pretty obvious too: change the URLs.
 
-PIPELINE_VERSION 
-================
+Versionning 
+===========
 
 If you specify ``PIPELINE_VERSION`` in your configuration, you can add a placeholder
 to the filenames to output the version number of the different files.