diff --git a/ZMHW_Project_InfraredDiodeSensor.ino b/ZMHW_Project_InfraredDiodeSensor.ino
index 17aa061..fcbdb33 100644
--- a/ZMHW_Project_InfraredDiodeSensor.ino
+++ b/ZMHW_Project_InfraredDiodeSensor.ino
@@ -206,6 +206,7 @@ void setup()
   pinMode(TEMPPIN, INPUT);
 
   //Be careful. This sets Areg to 1.1v!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+  //Used for LM35.
   analogReference(INTERNAL);