diff --git a/terminal/master/src/main.cpp b/terminal/master/src/main.cpp
index 840f31e..832fd77 100644
--- a/terminal/master/src/main.cpp
+++ b/terminal/master/src/main.cpp
@@ -78,11 +78,13 @@ void handleEncoderMovement()
   {
     if (diff > 0)
     {
+      // right turn
       selectedIndex = (selectedIndex + 1) % 8;
       inputPattern = ((inputPattern << 1) | 1) & 0xFF;
     }
     else
     {
+      //left turn
       selectedIndex = (selectedIndex + 7) % 8;
       inputPattern = ((inputPattern << 1) | 0) & 0xFF;
     }