VC request and issuance

README.md

@@ -32,11 +32,14 @@ The following figure illustrates the modules of the ZeroTrustVC component.
 A typical authorization flow in ZeroTrustVC includes the following steps
 
 ### Issuer configuration
-with this step, a resource owner configures the authorization server with policies
+With this step, a resource owner configures the authorization server with policies
 that specify the access rights that correspond to a client. Clients are identified
-using a public key (latter on this project we will consider cases where clients are
+using a public key (later on this project we will consider cases where clients are
 identified by a Decentralized Identifier).
 
 ### VC request and issuance
+With this step, a client requests from the authorization server a VC. A client request
+is in essence an [OAuth 2.0 access token request using the client 
+credentials grant](https://datatracker.ietf.org/doc/html/rfc6749#section-4.4)
 
 ### Resource request
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