diff --git a/parts/2/notes.md b/parts/2/notes.md
index c1e047a..dcab1ff 100644
--- a/parts/2/notes.md
+++ b/parts/2/notes.md
@@ -3,4 +3,4 @@ Exercises:
 * [X] 2.2
 * [X] 2.3
 * [ ] 2.4
-* [ ] 2.5
+* [X] 2.5