diff --git a/libavformat/mpjpeg.c b/libavformat/mpjpeg.c
index b09bac23b3afa67cebb72829bcb5af9ae4f9a708..89738773c13cdcda17c39e27d830a057e184e951 100644
--- a/libavformat/mpjpeg.c
+++ b/libavformat/mpjpeg.c
@@ -55,7 +55,7 @@ static int mpjpeg_write_trailer(AVFormatContext *s)
 
 AVOutputFormat mpjpeg_muxer = {
     "mpjpeg",
-    NULL_IF_CONFIG_SMALL("Mime multipart JPEG format"),
+    NULL_IF_CONFIG_SMALL("MIME multipart JPEG format"),
     "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
     "mjpg",
     0,
diff --git a/libavformat/rl2.c b/libavformat/rl2.c
index 8f60c2097ebeade2fff6b0007fe90605e0ec7c2c..1b193b002aedecadc4ca332fd73f1d579c09091b 100644
--- a/libavformat/rl2.c
+++ b/libavformat/rl2.c
@@ -289,7 +289,7 @@ static int rl2_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
 
 AVInputFormat rl2_demuxer = {
     "rl2",
-    NULL_IF_CONFIG_SMALL("rl2 format"),
+    NULL_IF_CONFIG_SMALL("RL2 format"),
     sizeof(Rl2DemuxContext),
     rl2_probe,
     rl2_read_header,