diff --git a/README.md b/README.md
index 399e3e8..415e266 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Unlike BDL which required either wget or curl, BigDL is suited for embedded syst
 #### Usage:
 
 ```
-$ Usage: bigdl [-vh] {list|install|remove|run|info|search|tldr} [args...]
+$ Usage: bigdl [-vh] {list|install|remove|update|run|info|fast_info|search|tldr} [args...]
 ```
 
 #### BDL Compatibility: