diff --git a/pages/incubation.audio.soft.audiostellar.md b/pages/incubation.audio.soft.audiostellar.md
index b5e2dd9..bac582f 100644
--- a/pages/incubation.audio.soft.audiostellar.md
+++ b/pages/incubation.audio.soft.audiostellar.md
@@ -9,6 +9,9 @@ https://audiostellar.xyz/lang/en/index.html
 eps - closeness to be cluster  
 min - number which can make group
 
+- accepts only mono ?
+- is sensitive on samplerate of audio device, it should match that one of the file
+
 **when recording internaly do not go over buffer 1024, otherwise the recording will be glitched**
 
 ## Background