diff --git a/🔰 Grammar/Possibility - impossibility.md b/🔰 Grammar/Possibility - impossibility.md
index 09631e4..aec72a7 100644
--- a/🔰 Grammar/Possibility - impossibility.md	
+++ b/🔰 Grammar/Possibility - impossibility.md	
@@ -1,4 +1,4 @@
-# Possibility - Impossibility
+# Possibility: impossibility
 
 ### とても～ない