Merge branch 'po/rerere-doc-fmt'

Docfix.

* po/rerere-doc-fmt:
  rerere doc: quote `rerere.enabled`

Author: gitster

Documentation/git-rerere.txt

@@ -24,7 +24,7 @@ on the initial manual merge, and applying previously recorded
 hand resolutions to their corresponding automerge results.
 
 [NOTE]
-You need to set the configuration variable rerere.enabled in order to
+You need to set the configuration variable `rerere.enabled` in order to
 enable this command.