diff --git a/Documentation/config.txt b/Documentation/config.txt
index eb66a11975..35e024d0ce 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -3291,7 +3291,7 @@ sendemail.smtpReloginDelay::
 	Seconds wait before reconnecting to smtp server.
 	See also the `--relogin-delay` option of linkgit:git-send-email[1].
 
-showbranch.default::
+showBranch.default::
 	The default set of branches for linkgit:git-show-branch[1].
 	See linkgit:git-show-branch[1].