diff --git a/docs/modules/spam_checker_callbacks.md b/docs/modules/spam_checker_callbacks.md
index a978f5f98863..423c48dd06bb 100644
--- a/docs/modules/spam_checker_callbacks.md
+++ b/docs/modules/spam_checker_callbacks.md
@@ -251,7 +251,7 @@ any of the subsequent implementations of this callback.
 
 ### `reject_federated_spam_event`
 
-_First introduced in Synapse v1.?.?_
+_First introduced in Synapse v1.60.0_
 
 ```python
 async def reject_federated_spam_event(event: "synapse.events.EventBase") -> bool