diff --git a/Volume-Server-API.md b/Volume-Server-API.md
index 39934f9..733e304 100644
--- a/Volume-Server-API.md
+++ b/Volume-Server-API.md
@@ -33,7 +33,7 @@ The size returned is the size stored on SeaweedFS, sometimes the file is automat
 
 | URL Parameter | Description | Default |
 | ---- | -- | -- |
-| fsync | if "true", the writes will incur an fsync operation | false |
+| fsync | if "true", the write will incur an fsync operation | false |
 | type | if "replicate", this is a replicated request, so the writes will not be replicated to other volume servers | empty |
 | ts | modification timestamp in epoch seconds | empty |
 | cm | content is a chunk manifest file | empty |