diff --git a/README.md b/README.md
index 3d8fb767..86948dd6 100644
--- a/README.md
+++ b/README.md
@@ -124,7 +124,7 @@ braudrate:9600
 ####And blink it
 ```lua
   lighton=0
-  tmr.alarm(1000,1,function()
+  tmr.alarm(1,1000,1,function()
     if lighton==0 then 
       lighton=1 
       led(512,512,512)