diff --git a/ToDo.md b/ToDo.md
index 009afbc..39b449e 100644
--- a/ToDo.md
+++ b/ToDo.md
@@ -17,7 +17,7 @@
 - [X] internet access (wifi? gsm? tethering via BT?)
   - Builtin in ESP32
 - [X] D-Pad: 18x18mm (6mm wide)
-  - [Button Set](https://de.aliexpress.com/item/1005005998959858.html)
+  - 2x2 [Button Set](https://de.aliexpress.com/item/1005005998959858.html)
 
 ## Case