Update proposals/4170-profile-403.md

Co-authored-by: Richard van der Hoff <[email protected]>

proposals/4170-profile-403.md

@@ -120,7 +120,7 @@ None.
 [`GET /_matrix/federation/v1/query/profile`]: https://spec.matrix.org/v1.11/server-server-api/#get_matrixfederationv1queryprofile
 [`POST /_matrix/client/v3/user_directory/search`]: https://spec.matrix.org/v1.11/client-server-api/#post_matrixclientv3user_directorysearch
 [2017]: https://github.com/matrix-org/matrix-spec-proposals/pull/1096/files#diff-332ce28a7277b9375050644632f99c0e606acb751adc54c64c5faabf981ac7edR35
-[MSC1301]: https://docs.google.com/document/d/1G7JjyTuJlZHieuAflGFWmdKyNViGGLRTWON7AMl0wrM/edit
+[MSC1301]: https://github.com/matrix-org/matrix-spec-proposals/issues/1301
 [MSC3550]: https://github.com/matrix-org/matrix-spec-proposals/pull/3550
 [client-server APIs]: https://spec.matrix.org/v1.11/client-server-api/#profiles
 [server-server API]: https://spec.matrix.org/v1.11/server-server-api/#get_matrixfederationv1queryprofile