diff --git a/linux_notes.txt b/linux_notes.txt
index f85cddcd..ba656e75 100644
--- a/linux_notes.txt
+++ b/linux_notes.txt
@@ -166,6 +166,10 @@ youtube-dl -F <youtube url>
 And then choose one
 youtube-dl -f <choice> <youtube url>
 
+To convert opus files to mp3, use ffmpeg:
+
+ffmpeg -i filename.opus -ab 320k newfilename.mp3
+
 To display all directories EXCEPT for one directory:
 tree -I ignored_directory_name
 Example: