diff --git a/doc/ports.md b/doc/ports.md
index 517e7d8c..99f9cfca 100644
--- a/doc/ports.md
+++ b/doc/ports.md
@@ -4,7 +4,9 @@ The installed applications use the following ports:
 
 | application | port | remarks | 
 | --- | --- | --- |
-| ssh | 22 | |
+| ssh | 22 | not enabled by default |
+| http | 80 | web interface | 
+| http | 81 | audiocontrol API | 
 | upnp | 5000 | Universal plug-n-play uses by multiple components |
 | mpd | 6600 | mpd control port |
 | ympd |9000| mpd web application |