diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 85eb9ea6ba..3640808765 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -535,7 +535,7 @@ typedef struct AVChapter {
  * sizeof(AVFormatContext) must not be used outside libav*.
  */
 typedef struct AVFormatContext {
-    const AVClass *av_class; /**< Set by av_alloc_format_context. */
+    const AVClass *av_class; /**< Set by avformat_alloc_context. */
     /* Can only be iformat or oformat, not both at the same time. */
     struct AVInputFormat *iformat;
     struct AVOutputFormat *oformat;