diff --git a/src/main.asm b/src/main.asm
index cbc4db9..dd6b020 100644
--- a/src/main.asm
+++ b/src/main.asm
@@ -267,6 +267,8 @@ tree_start:
     .incbin "res/tree.bin"
 tree_end:
 
+    BYTE "THIS DEMO HAS BEEN PATCHED BY GIOMBA FOR HIS COLLEAGUES -- DECEMBER 2022"
+
     ECHO "cartridge usage",.
 
 . = $bff9