diff --git a/libavformat/webvttdec.c b/libavformat/webvttdec.c
index 6feda1585e..4ca1e939b1 100644
--- a/libavformat/webvttdec.c
+++ b/libavformat/webvttdec.c
@@ -21,7 +21,7 @@
 /**
  * @file
  * WebVTT subtitle demuxer
- * @see http://dev.w3.org/html5/webvtt/
+ * @see https://www.w3.org/TR/webvtt1/
  */
 
 #include "avformat.h"
diff --git a/libavformat/webvttenc.c b/libavformat/webvttenc.c
index e71a6224ae..17530b794c 100644
--- a/libavformat/webvttenc.c
+++ b/libavformat/webvttenc.c
@@ -21,7 +21,7 @@
 /**
  * @file
  * WebVTT subtitle muxer
- * @see http://dev.w3.org/html5/webvtt/
+ * @see https://www.w3.org/TR/webvtt1/
  */
 
 #include "avformat.h"