diff --git a/README.md b/README.md
index 31b6257..bdbbbce 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 
 Generate a world with only air.
 
+## PLEASE NOTE
+
+This mod has been replaced by a built-in mapgen mode called singlenode.
+
 
 ## Features