diff --git a/README.md b/README.md
index 9e829f1..9904dc2 100644
--- a/README.md
+++ b/README.md
@@ -39,11 +39,14 @@ This should work in such a way that the user logs into a web interface where the
 |A1  | Light        |
 
 ## Digital
-|Pin | Function       |
-|--- |--------------- |
-| ~3 | IR-Trasmitter  |
-|  4 | LED            |
-|~11 | RC-Trasmitter  |
+|Pin  | Function       |
+|---- |--------------- |
+| ~3* | IR-Trasmitter  |
+|~10* | IR-Receiver    |
+|~11  | RC-Trasmitter  |
+|~13* | LED (Status)   |
+
+The pins marked with an * are fixed and cannot be changed to another pin.
 
 # Protocol
 ```