Documentation: fix invalid reference to 'mybranch' in user manual

Signed-off-by: Ivan Stankovic <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: Ivan Stankovic

Documentation/user-manual.txt

@@ -2812,7 +2812,7 @@ $ git config remote.example.fetch +master:ref/remotes/example/master
 -------------------------------------------------
 
 Don't do this unless you're sure you won't mind "git fetch" possibly
-throwing away commits on mybranch.
+throwing away commits on 'example/master'.
 
 Also note that all of the above configuration can be performed by
 directly editing the file .git/config instead of using