Update spec.yaml

Co-authored-by: Giuseppe Lo Presti <[email protected]>

Author: mickenordin

spec.yaml

@@ -470,7 +470,7 @@ components:
           type: string
           description: >
             Optional URL path of the Token Exchange endpoint to obtain bearer tokens in exchange for codes.
-            If the `receive-code` capability is exposed, the tokenEndPoint MUST be advertized in the discovery response.
+            If the `receive-code` capability is exposed, the tokenEndPoint MUST be advertised in the discovery response.
           example: /index.php/apps/sciencemesh/token
         inviteAcceptDialog:
           type: string