diff --git a/AAXtoMP3 b/AAXtoMP3
index 9c770e0..b589bda 100755
--- a/AAXtoMP3
+++ b/AAXtoMP3
@@ -446,7 +446,7 @@ do
     compression_level_param="-compression_level ${level}"
   fi
   
-  # -----  
+  # -----
   if [ "${continue}" == "0" ]; then
     # This is the main work horse command.  This is the primary transcoder.
     # This is the primary transcode. All the heavy lifting is here.
diff --git a/README.md b/README.md
index 78c4f10..0d6324b 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ Audible fails for some reason.
 * grep Some OS distributions do not have it installed.
 * sed Some OS versions will need to install gnu sed.
 * mp4art used to add cover art to m4a and m4b files. Optional
+* mediainfo used to add additional media tags like narrator. Optional
 
 ## OSX
 Thanks to thibaudcolas, this script has been tested on OSX 10.11.6 El Capitan. YMMV, but it should work for