diff --git a/Overworld/overworld.asm b/Overworld/overworld.asm
index 91f6c42..b5ce548 100644
--- a/Overworld/overworld.asm
+++ b/Overworld/overworld.asm
@@ -1,3 +1,12 @@
+; Overworld.asm
+
+; Module15_0C
+; Change overlay that Impa activates after intro
+org $029E2E
+#_029E2E: LDA.l $7EF2A3
+#_029E32: ORA.b #$20
+#_029E34: STA.l $7EF2A3
+
 incsrc "Overworld/world_map.asm"
 
 incsrc "Overworld/pit_damage.asm"