diff --git a/misc/concept_tree.md b/misc/concept_tree.md
index 9a264804..b89d34b2 100644
--- a/misc/concept_tree.md
+++ b/misc/concept_tree.md
@@ -144,5 +144,5 @@ graph TD
     z --> aa
     aa --> ab
     ae --> W
-    O --> aev
+    O --> ae
 ```
\ No newline at end of file