Customize.md

@@ -27,6 +27,8 @@ after updating greenlight from upstream:
 
 ## BBB modules customization
 
+Info text in each conference is in `bigbluebutton.properties`
+
 we keep a copy of config files of modules which are outside greenlight in its config directory, as this is in git:
 
 after each BBB update you need to re-apply: