diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 6c4b63095c..3c3dad3134 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2225,7 +2225,7 @@ typedef struct AVCodecContext {
 
     /** Field order
      * - encoding: set by libavcodec
-     * - decoding: Set by libavcodec
+     * - decoding: Set by user.
      */
     enum AVFieldOrder field_order;