diff --git a/parts/2/notes.md b/parts/2/notes.md
index 7e0fee8..7a9100a 100644
--- a/parts/2/notes.md
+++ b/parts/2/notes.md
@@ -8,4 +8,4 @@ Exercises:
 * [X] 2.7
 * [X] 2.8
 * [X] 2.9
-* [ ] 2.10
+* [X] 2.10