changed additional message and note suggested by David to PlantUML fo…

…rmat

diagrams/request_uri_mode_post.md

@@ -16,10 +16,12 @@ r --> u: authorization request\n(client_id, request_uri, request_uri_method=post
 deactivate r
 u --> w: authorization request\n(client_id, request_uri, request_uri_method=post, [client_id_scheme])
 activate w
-[ w --> w optional. Check client_id with trust framework]
-
-Note that the client_id is self asserted by the verifier. If the client_id is not trusted, then the user should be informed that an untrusted verifier is requesting information and asked if he/she wants to proceed. If the client_id identifies a trusted verifier, then the request_uri that is responded to should be the one that actually belongs to the trusted client_id, as verified by the trust framework.
-
+w --> w: [optional. Check client_id with trust framework]
+note over r,w
+    Note that the client_id is self asserted by the verifier. If the client_id is not trusted, then the user should be informed that an untrusted 
+    verifier is requesting information and asked if he/she wants to proceed. If the client_id identifies a trusted verifier, then the request_uri 
+    that is responded to should be the one that actually belongs to the trusted client_id, as verified by the trust framework.
+end note
 w --> r: POST **request_uri** ([wallet_metadata][, wallet_nonce])
 r -> r: create and sign (and optionally encrypt) request object 
 r --> w: **signed (optionally encrypted) request object** (client_id, client_id_scheme, wallet_nonce, nonce, \nresponse_uri, presentation_definition, state)