diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 4dbef41b7e..c95a4f5970 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -89,8 +89,7 @@ pid_file: DATADIR/homeserver.pid
 # Whether to require authentication to retrieve profile data (avatars,
 # display names) of other users through the client API. Defaults to
 # 'false'. Note that profile data is also available via the federation
-# API, so this setting is of limited value if federation is enabled on
-# the server.
+# API, unless allow_profile_lookup_over_federation is set to false.
 #
 #require_auth_for_profile_requests: true