1 files changed, 7 insertions, 1 deletions
diff --git a/docs/spam_checker.md b/docs/spam_checker.md
index 2020eb9006..52947f605e 100644
--- a/docs/spam_checker.md
+++ b/docs/spam_checker.md
@@ -69,7 +69,13 @@ class ExampleSpamChecker:
     async def check_username_for_spam(self, user_profile):
         return False  # allow all usernames
 
-    async def check_registration_for_spam(self, email_threepid, username, request_info):
+    async def check_registration_for_spam(
+        self,
+        email_threepid,
+        username,
+        request_info,
+        auth_provider_id,
+    ):
         return RegistrationBehaviour.ALLOW  # allow all registrations
 
     async def check_media_file_for_spam(self, file_wrapper, file_info):