diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 14440fe3c1..253e45ad05 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -912,7 +912,7 @@ enum AVPacketSideDataType {
      */
     AV_PKT_DATA_DISPLAYMATRIX,
 
-    /*
+    /**
      * This side data should be associated with a video stream and contains
      * Stereoscopic 3D information in form of the AVStereo3D struct.
      */