diff --git a/libavformat/mxf.c b/libavformat/mxf.c
index a13f6735c5..cf01ab8664 100644
--- a/libavformat/mxf.c
+++ b/libavformat/mxf.c
@@ -991,7 +991,7 @@ static int mxf_probe(AVProbeData *p) {
     return 0;
 }
 
-/* rudimentary binary seek */
+/* rudimentary byte seek */
 /* XXX: use MXF Index */
 static int mxf_read_seek(AVFormatContext *s, int stream_index, int64_t sample_time, int flags)
 {