diff --git a/tutorial/video_convert.org b/tutorial/video_convert.org
index b04739d..1b0bd6a 100644
--- a/tutorial/video_convert.org
+++ b/tutorial/video_convert.org
@@ -2,9 +2,15 @@
 
 * Convert video format
 
-From ~mkv~ to ~mp4~ using ~ffmpeg~
+** From ~mkv~ to ~mp4~ using ~ffmpeg:~
+
+First, convert a file called "software_pres_2020-12-18.mkv" to "prestmptest"
 
 #+begin_example sh
- ffmpeg -i Vídeos/vimemacs-2022-08-12_10-44-05.mkv -codec copy vimemacs-in-rst.mp4
+  ffmpeg -i software_pres_2020-12-18.mkv prestmptest.mp4
 #+end_example
 
+
+#+begin_example sh
+  ffmpeg -i vimemacs-2022-08-12_10-44-05.mkv -codec copy vimemacs-in-rst.mp4
+#+end_example