diff --git a/Led-control.md b/Led-control.md
index 88cb9f5..a05fe8b 100644
--- a/Led-control.md
+++ b/Led-control.md
@@ -1,4 +1,4 @@
-The led of NRF based tags can be controlled by sending a command with the id 3 to the tag.
+The led of NRF based tags can be controlled by sending a command with the id 4 to the tag.
 
 The led is controlled by the extended command data(12 Bytes)