diff --git a/README.md b/README.md
index 37db3b3..ad98162 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,8 @@ game over screen/restart button
 
 make flags permanent to prevent cheating?
 
+make middle click work on revealed mines and not just flagged mines
+
 ## bugs
 On clearing a row, blank tiles do not 'cascade' and reveal their adjacent tiles