1 files changed, 2 insertions, 1 deletions
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 6696ed5d1e..810a14b077 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -37,7 +37,7 @@
 
 # Server admins can expand Synapse's functionality with external modules.
 #
-# See https://matrix-org.github.io/synapse/latest/modules.html for more
+# See https://matrix-org.github.io/synapse/latest/modules/index.html for more
 # documentation on how to configure or create custom modules for Synapse.
 #
 modules:
@@ -1488,6 +1488,7 @@ room_prejoin_state:
    # - m.room.encryption
    # - m.room.name
    # - m.room.create
+   # - m.room.topic
    #
    # Uncomment the following to disable these defaults (so that only the event
    # types listed in 'additional_event_types' are shared). Defaults to 'false'.