diff --git a/library/src/test/assets/webvtt/typical b/library/src/test/assets/webvtt/typical
index d1395efe1b..7bd3ca9198 100644
--- a/library/src/test/assets/webvtt/typical
+++ b/library/src/test/assets/webvtt/typical
@@ -1,4 +1,4 @@
-WEBVTT
+WEBVTT # This comment is allowed
 X-TIMESTAMP-MAP=LOCAL:00:00.000,MPEGTS:450000
 
 00:00.000 --> 00:01.234