diff --git a/src/menu/menu.cpp b/src/menu/menu.cpp
index 2af6616fa0..8ef95e1358 100644
--- a/src/menu/menu.cpp
+++ b/src/menu/menu.cpp
@@ -666,17 +666,17 @@ bool M_Responder (event_t *ev)
 			ch = ev->data1;
 			switch (ch)
 			{
-			case KEY_JOY2:
+			case KEY_JOY1: //B button
 			case KEY_PAD_A:
 				mkey = MKEY_Back;
 				break;
 
-			case KEY_JOY1:
+			case KEY_JOY2: //A button
 			case KEY_PAD_B:
 				mkey = MKEY_Enter;
 				break;
 
-			case KEY_JOY4:
+			case KEY_JOY3: //X button
 			case KEY_PAD_X:
 				mkey = MKEY_Clear;
 				break;
@@ -695,7 +695,7 @@ bool M_Responder (event_t *ev)
 			case KEY_PAD_LTHUMB_UP:
 			case KEY_JOYAXIS2MINUS:
 			case KEY_JOYPOV1_UP:
-			case KEY_JOY9:
+			case KEY_JOY9: //Dpad up
 				mkey = MKEY_Up;
 				break;
 
@@ -703,7 +703,7 @@ bool M_Responder (event_t *ev)
 			case KEY_PAD_LTHUMB_DOWN:
 			case KEY_JOYAXIS2PLUS:
 			case KEY_JOYPOV1_DOWN:
-			case KEY_JOY10:
+			case KEY_JOY10: //Dpad down
 				mkey = MKEY_Down;
 				break;
 
@@ -711,7 +711,7 @@ bool M_Responder (event_t *ev)
 			case KEY_PAD_LTHUMB_LEFT:
 			case KEY_JOYAXIS1MINUS:
 			case KEY_JOYPOV1_LEFT:
-			case KEY_JOY11:
+			case KEY_JOY11: //Dpad left
 				mkey = MKEY_Left;
 				break;
 
@@ -719,7 +719,7 @@ bool M_Responder (event_t *ev)
 			case KEY_PAD_LTHUMB_RIGHT:
 			case KEY_JOYAXIS1PLUS:
 			case KEY_JOYPOV1_RIGHT:
-			case KEY_JOY12:
+			case KEY_JOY12: //Dpad right
 				mkey = MKEY_Right;
 				break;
 			}