diff --git a/Lab_1/TestEncoderAAR.c b/Lab_1/TestEncoderAAR.c
index 21f380a..c2608a7 100644
--- a/Lab_1/TestEncoderAAR.c
+++ b/Lab_1/TestEncoderAAR.c
@@ -52,6 +52,8 @@ int main()
 }
 
 
+// Could be implemented as a C macro, which would be faster
+// but I've forgotten how to define C macros
 enum states get_state()
 {
 	/* If A is 0 and B is 0, system is in State 1