diff --git a/content/en-us/tutorials/use-case-tutorials/audio/add-3D-audio.md b/content/en-us/tutorials/use-case-tutorials/audio/add-3D-audio.md
index 5b338b062..4fc4fc148 100644
--- a/content/en-us/tutorials/use-case-tutorials/audio/add-3D-audio.md
+++ b/content/en-us/tutorials/use-case-tutorials/audio/add-3D-audio.md
@@ -1,4 +1,4 @@
----
+--add-3D-audio.md-
 title: Add 3D audio
 description: Explains how to add directional audio to your experiences.
 ---