Update audio volume section with alsamixer command

RaspberryFpc · web-flow · commit ebb593eaba66 · 2026-03-17T14:47:52.000+01:00
Add instructions for adjusting audio volume using alsamixer.
diff --git a/docs/index.md b/docs/index.md
@@ -102,6 +102,7 @@ chmod +x ffmpeg_transmitter.sh
 ## 🔊 Audio Volume
 
 If sound is too quiet:
+* use Volume in settings or
 
 ```bash
 alsamixer
