Merge branch 'mh/increase-credential-cache-timeout'

Update the credential-cache documentation to provide a more realistic
example.

* mh/increase-credential-cache-timeout:
  Documentation: increase example cache timeout to 1 hour

Documentation/git-credential-cache.txt

@@ -69,10 +69,10 @@ $ git push http://example.com/repo.git
 ------------------------------------
 
 You can provide options via the credential.helper configuration
-variable (this example drops the cache time to 5 minutes):
+variable (this example increases the cache time to 1 hour):
 
 -------------------------------------------------------
-$ git config credential.helper 'cache --timeout=300'
+$ git config credential.helper 'cache --timeout=3600'
 -------------------------------------------------------
 
 GIT