Fix ls-user-refs command name in documentation

Change-Id: Ib54419d10b654e0e766072a810a72b81deedec28
diff --git a/Documentation/cmd-ls-user-refs.txt b/Documentation/cmd-ls-user-refs.txt
index 785a7c3..25a99d1 100644
--- a/Documentation/cmd-ls-user-refs.txt
+++ b/Documentation/cmd-ls-user-refs.txt
@@ -8,7 +8,7 @@
 SYNOPSIS
 --------
 [verse]
-'ssh' -p <port> <host> 'gerrit ls-user-ref'
+'ssh' -p <port> <host> 'gerrit ls-user-refs'
   [--project PROJECT> | -p <PROJECT>]
   [--user <USER> | -u <USER>]
   [--only-refs-heads]