diff --git a/documentation/en/local-dev-net.md b/documentation/en/local-dev-net.md
index 0b352fe8a..e11d9b358 100644
--- a/documentation/en/local-dev-net.md
+++ b/documentation/en/local-dev-net.md
@@ -8,7 +8,7 @@ make 2k
 
 Download the 2048 byte parameters:
 ```sh
-./lotus fetch-params --proving-params 2048
+./lotus fetch-params 2048
 ```
 
 Pre-seal some sectors: