Fix minor formatting issue in man page for git-mergetool

diff --git a/Documentation/git-update-ref.txt b/Documentation/git-update-ref.txt
index 71bcb7954f0c53a995ba56de6c99d9aebc6aa52a..9424feab320afcaa5a44bd2c2c6c86728bd8d004 100644 (file)
--- a/Documentation/git-update-ref.txt
+++ b/Documentation/git-update-ref.txt
@@ -3,7 +3,7 @@ git-update-ref(1)
 
 NAME
 ----
-git-update-ref - update the object name stored in a ref safely
+git-update-ref - Update the object name stored in a ref safely
 
 SYNOPSIS
 --------