diff --git a/Volume-Server-API.md b/Volume-Server-API.md
index 77b5fed..8e6eb7b 100644
--- a/Volume-Server-API.md
+++ b/Volume-Server-API.md
@@ -19,7 +19,7 @@ curl -F file=@/home/chris/myphoto.jpg http://localhost:9333/submit
 ```
 
 This API is just for convenience. The master server would get an file id and store the file to the right volume server.
-It is a convenient API and does not support different parameters when assigning file id. (or you can add the support and send a push request.)
+It is a convenient API and does not support different parameters when assigning file id. (or you can add the support and make a pull request.)
 
 ### Delete File