diff --git a/README.md b/README.md
index ea6dfba..c70f810 100644
--- a/README.md
+++ b/README.md
@@ -3,10 +3,14 @@
 Scripts to generate video files and live streams for performance testing of PeerTube
 
 ## Dependencies
-These scripts rely on ffmpeg to generate the videos files and RTMP streams.
-Tested with ffmpeg versions:
-- 4.1.6
-- 4.2.4
+These scripts rely on :
+- `ffmpeg` to generate the audio/video streams. Tested with ffmpeg versions:  
+  - 4.1.6
+  - 4.2.4
+- `bc` to compute the encoding buffer size from the specified video bitrate
+
+To install the dependencies on Debian 10 (Buster):  
+`sudo apt install ffmpeg bc`
 
 # Mains scripts
 There are 4 main scripts :