diff --git a/developer-notes.md b/developer-notes.md
index c7ceb479..4134e2d4 100644
--- a/developer-notes.md
+++ b/developer-notes.md
@@ -14,10 +14,18 @@ yarn
 ```
 Note: `yarn` may take some time to complete.
 
-### Running
+### ffmpeg
+
+Run one of the below commands:
 ```bash
-npm run download-ffmpeg # on MacOS only
+npm run download-ffmpeg-mac
+npm run download-ffmpeg-linux
+npm run download-ffmpeg-windows
+```
 
+### Running
+
+```bash
 npm start
 ```