diff --git a/app/jitsi/integration/README.md b/app/jitsi/integration/README.md
index 725a9dc..261f71d 100644
--- a/app/jitsi/integration/README.md
+++ b/app/jitsi/integration/README.md
@@ -30,3 +30,8 @@ Base conf:
 
 the following is used in videobridge.conf:
 [jicoco/MucClientConfiguration](https://github.com/jitsi/jicoco/blob/master/jicoco/src/main/java/org/jitsi/xmpp/mucclient/MucClientConfiguration.java)
+
+## Resources to understand jitsi
+
+  - [jicofo/debian/postinst](https://github.com/jitsi/jicofo/blob/master/debian/postinst)
+  - [videobridge/debian/postinst](https://github.com/jitsi/jitsi-videobridge/blob/master/debian/postinst)