diff --git a/crates/ruma-identity-service-api/src/lookup/lookup_3pid/v2.rs b/crates/ruma-identity-service-api/src/lookup/lookup_3pid/v2.rs
index 40aae9f6..a3ee0baa 100644
--- a/crates/ruma-identity-service-api/src/lookup/lookup_3pid/v2.rs
+++ b/crates/ruma-identity-service-api/src/lookup/lookup_3pid/v2.rs
@@ -1,4 +1,4 @@
-//! [POST /_matrix/identity/v2/lookup](https://matrix.org/docs/spec/identity_service/0.3.0#post-matrix-identity-v2-lookup)
+//! [POST /_matrix/identity/v2/lookup](https://matrix.org/docs/spec/identity_service/r0.3.0#post-matrix-identity-v2-lookup)
 
 use std::collections::BTreeMap;