1 files changed, 1 insertions, 1 deletions

diff --git a/subcmds/sync.py b/subcmds/sync.py
index dadf2e45..de6deecb 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -850,7 +850,7 @@ later is required to fix a server side protocol bug.
       base = rp.GetBranch(cb).merge
       if not base or not base.startswith('refs/heads/'):
         print('warning: repo is not tracking a remote branch, so it will not '
-              'receive updates; run `repo init --repo-branch=stable` to fix.',
+              'receive updates; run `repo init --repo-rev=stable` to fix.',
               file=sys.stderr)
 
     mp = self.manifest.manifestProject