diff --git a/README.md b/README.md
index bae0430..daff1f1 100644
--- a/README.md
+++ b/README.md
@@ -3,4 +3,4 @@ Nest to MQTT adapter.
 Based on WeMos D1 Mini
 
 
-Currently works 4 of 6 channels.
+Currently works 4 of 6 channels (I dont know why amplitude on channels D3, D2, D0 is only ~1v instead 3.3v).