Link in markdown, not swagger

api/identity/lookup.yaml

@@ -85,5 +85,3 @@ paths:
               signatures:
                 type: object
                 description: The signatures of the verifying identity services which show that the association should be trusted, if you trust the verifying identity services.
-
-.. _`3PID Types`:  ../appendices.html#pid-types

specification/client_server_api.rst

@@ -1446,3 +1446,4 @@ have to wait in milliseconds before they can try again.
 .. _/user/<user_id>/account_data/<type>: #put-matrix-client-%CLIENT_MAJOR_VERSION%-user-userid-account-data-type
 
 .. _`Unpadded Base64`:  ../appendices.html#unpadded-base64
+.. _`3PID Types`:  ../appendices.html#pid-types