Don't use dash commands (git-foo) in tutorial-2

diff --git a/Documentation/git-update-ref.txt b/Documentation/git-update-ref.txt
index 7f7e3d197bafbbb2efe610096b0cad6901488be5..bae2c8b7eced2042af0437b1e92cc73636c7cfa5 100644 (file)
--- a/Documentation/git-update-ref.txt
+++ b/Documentation/git-update-ref.txt
@@ -7,7 +7,7 @@ git-update-ref - Update the object name stored in a ref safely
 
 SYNOPSIS
 --------
-'git-update-ref' [-m <reason>] (-d <ref> <oldvalue> | [--no-deref] <ref> <newvalue> [<oldvalue>])
+'git-update-ref' [-m <reason>] (-d <ref> [<oldvalue>] | [--no-deref] <ref> <newvalue> [<oldvalue>])
 
 DESCRIPTION
 -----------