diff --git a/src/p_map.c b/src/p_map.c
index f486def99..2a5e30205 100644
--- a/src/p_map.c
+++ b/src/p_map.c
@@ -651,6 +651,7 @@ static BlockItReturn_t PIT_CheckThing(mobj_t *thing)
 			return BMIT_CONTINUE; // force no collide
 	}
 
+	// markedfordeath players will phase through most things, unless its funny
 	if (g_tm.thing->player && g_tm.thing->player->markedfordeath && !(K_IsMissileOrKartItem(thing) || thing->type == MT_INSTAWHIP || thing->type == MT_PLAYER))
 		return BMIT_CONTINUE;