diff --git a/include/config/config_game.h b/include/config/config_game.h
index ef2cd903a..e7e2c3836 100644
--- a/include/config/config_game.h
+++ b/include/config/config_game.h
@@ -15,7 +15,7 @@
 // Save number of lives to the save file (Does nothing if DISABLE_LIVES is enabled)
 #define SAVE_NUM_LIVES
 
-// The number of lives Mario starts with after a game over or starting the game for the first time.
+// The number of lives Mario starts with after a game over or starting the game for the first time (must be lower than 127)
 #define DEFAULT_NUM_LIVES 4
 
 // This can be 0..127
@@ -62,7 +62,7 @@
 // Prevents infinite death loops by always restoring Mario's health when he's warped to any kind of warp while dead.
 #define PREVENT_DEATH_LOOP
 
-// The level that the game starts in after file select
+// The level that the game starts in after file select. The levelscript needs to have a MARIO_POS command for this to work.
 #define START_LEVEL LEVEL_CASTLE_GROUNDS
 
 
@@ -71,3 +71,6 @@
 #ifdef DISABLE_LIVES
 #undef SAVE_NUM_LIVES
 #endif // DISABLE_LIVES
+#ifndef START_LEVEL
+#define START_LEVEL LEVEL_CASTLE_GROUNDS
+#endif
\ No newline at end of file
diff --git a/include/config/config_menu.h b/include/config/config_menu.h
index d088305c3..d5bb33225 100644
--- a/include/config/config_menu.h
+++ b/include/config/config_menu.h
@@ -12,13 +12,10 @@
 // Decides whether you can exit course while moving (has no effect if you disable exit course)
 #define EXIT_COURSE_WHILE_MOVING
 
-// Decides which level "exit course" takes you to (has no effect if you disable exit course)
+// Decides which level, area and warp ID the "exit course" option takes you to (has no effect if you disable exit course)
+// Ensure that the warp exists, or else the game will crash.
 #define EXIT_COURSE_LEVEL LEVEL_CASTLE
-
-// Decides the area node "exit course" takes you to (has no effect if you disable exit course)
 #define EXIT_COURSE_AREA 0x01
-
-// Decides the warp node "exit course" takes you to (has no effect if you disable exit course)
 #define EXIT_COURSE_NODE 0x1F
 
 // -- Compatibility safeguards. Don't mess with these unless you know what you're doing. --