diff --git a/README.md b/README.md
index cb9afb5..8152e87 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
 # minetest-csm-base64chat
 This mod auto decoding incoming chat messages from base64
-Also you can send base64 encoded messages via `.s64` command.  
+Also you can send base64 encoded messages via `.b64` command.  
 Warning: some servers that have spam protection can mark base64 as spam!