diff --git a/conf/config.yaml b/conf/config.yaml
index 747bbf0..68d4ccc 100644
--- a/conf/config.yaml
+++ b/conf/config.yaml
@@ -26,6 +26,9 @@ homeserver:
 appservice:
     # The address that the homeserver can use to connect to this appservice.
     address: http://localhost:__PORT__
+    # When using https:// the TLS certificate and key files for the address.
+    tls_cert: false
+    tls_key: false
 
     # The hostname and port where this appservice should listen.
     hostname: 0.0.0.0
@@ -75,6 +78,12 @@ appservice:
     bot_displayname: Facebook bridge bot
     bot_avatar: mxc://maunium.net/ygtkteZsXnGJLJHRchUwYWak
 
+    # Community ID for bridged users (changes registration file) and rooms.
+    # Must be created manually.
+    #
+    # Example: "+fb:example.com". Set to false to disable.
+    community_id: +fb:__SERVER_NAME__
+
     # Whether or not to receive ephemeral events via appservice transactions.
     # Requires MSC2409 support (i.e. Synapse 1.22+).
     # You should disable bridge -> sync_with_custom_puppets when this is enabled.