diff --git a/scripts/advanced.php b/scripts/advanced.php
index 5408fea..d525b7c 100644
--- a/scripts/advanced.php
+++ b/scripts/advanced.php
@@ -352,6 +352,7 @@ if (file_exists('./scripts/thisrun.txt')) {
Set Channels to the number of channels supported by your sound card. 32 max.
+If you place an RTSP stream URL here, BirdNET-Pi will use that as its audio source. Multiple streams are allowed but may have a impact on rPi performance. Analyze ffmpeg CPU/Memory usage with top or htop if necessary.