diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 831c351fd1..06bba43570 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -211,7 +211,7 @@ static inline void av_free_packet(AVPacket *pkt)
 /**
  * The exact value of the fractional number is: 'val + num / den'.
  * num is assumed to be 0 <= num < den.
-*/
+ */
 typedef struct AVFrac {
     int64_t val, num, den;
 } AVFrac;