diff --git a/README.md b/README.md
index 3ddd9fa..d969625 100644
--- a/README.md
+++ b/README.md
@@ -29,4 +29,4 @@ complexity of the layout.
 
 ## Maps
 
-Some of the maps in the map directory were manually altered and are taken from [here](https://github.com/begoon/sokoban-maps/blob/master/maps/sokoban-maps-60-plain.txt).
+Some of the maps in the map directory were manually altered and are taken from [here](https://github.com/begoon/sokoban-maps/blob/master/maps/sokoban-maps-60-plain.txt). Maps map8-9 are from microban.