Iterate MSC based on feedback
@@ -53,7 +53,8 @@ ALPHA DIGIT "-" / "." / "_" / "~"
The `name` field should be the human readable string intended for printing by the client.
The `icon` field is the only optional field and should point to an icon representing the IdP.
-If present then it must be an HTTPS URL to an image resource of type `image/png` or `image/svg+xml`.
+If present then it must be an HTTPS URL to an image resource. This should be hosted by the
+homeserver service provider to not leak the client's IP address unnecessarily.
A new endpoint would be needed to support redirecting directly to one of the IDPs:
