diff --git a/python/paddle_serving_server/monitor.py b/python/paddle_serving_server/monitor.py
index 74de76b3de3f3aff36230d94c477b1141c8d2d65..f2b749cc5229391d7b08f2865bbc8d696a12675e 100644
--- a/python/paddle_serving_server/monitor.py
+++ b/python/paddle_serving_server/monitor.py
@@ -77,7 +77,7 @@ class Monitor(object):
 
     def run(self):
         '''
-        Monitor the remote address model by polling and update the local model.
+        Monitor the remote model by polling and update the local model.
         '''
         self._check_params()
         if not os.path.exists(self._local_tmp_dir):