diff --git a/docs/games/sega/ongeki/common/controllers.md b/docs/games/sega/ongeki/common/controllers.md
index 5997dea1..9dfad342 100644
--- a/docs/games/sega/ongeki/common/controllers.md
+++ b/docs/games/sega/ongeki/common/controllers.md
@@ -111,6 +111,12 @@
     path=mu3io.dll
     ```
 
+## YUANGEKI
+
+!!! tip ""
+
+    This controller does not support IO4 mode. Instead, refer to the [Keyboard and Mouse](#keyboard-and-mouse) section.
+
 ## Arcade hardware and other controllers
 
 !!! tip ""