diff --git a/bin/iterate.py b/bin/iterate.py
index af1d6a9..2dd8465 100644
--- a/bin/iterate.py
+++ b/bin/iterate.py
@@ -7,7 +7,8 @@ from surf.subd import butterfly
 
 
 if __name__ == '__main__':
-    parser = argparse.ArgumentParser(description='Prune orphan PCDs from couchdb')
+    parser = argparse.ArgumentParser(description='Manually subdivide mesh '
+            '(first argument) and dump json to stdout')
     parser.add_argument('type', choices=('cc', 'butterfly'))
     parser.add_argument('mesh')
     opt = parser.parse_args()