diff --git a/git_map_branches.py b/git_map_branches.py
index 28586e127f..8627b3798c 100755
--- a/git_map_branches.py
+++ b/git_map_branches.py
@@ -307,7 +307,8 @@ def main(argv):
 
   parser = argparse.ArgumentParser()
   parser.add_argument('-v', action='count',
-                      help='Display branch hash and Rietveld URL')
+                      help=('Pass once to show tracking info; '
+                           'twice for hash and review url'))
   parser.add_argument('--no-color', action='store_true', dest='nocolor',
                       help='Turn off colors.')
   parser.add_argument(