diff --git a/md/developer/js_interface/functions/JsMusic/play.md b/md/developer/js_interface/functions/JsMusic/play.md
index 16b5ae44d..ef999fb42 100644
--- a/md/developer/js_interface/functions/JsMusic/play.md
+++ b/md/developer/js_interface/functions/JsMusic/play.md
@@ -28,4 +28,6 @@ var=runPlay
 
 -> [jsMusic.play](https://github.com/puutaro/CommandClick/blob/master/app/src/main/java/com/puutaro/commandclick/fragment_lib/terminal_fragment/js_interface/JsMusic.kt#L20)
 
+## Detail
 
+-> [jsMusic.play](https://github.com/puutaro/CommandClick/blob/master/md/developer/js_interface/details/JsMusic/play.md)