Fix up section on base media type.

Co-authored-by: Ted Thibodeau Jr <[email protected]>
Co-authored-by: Orie Steele <[email protected]>

Author: 3 people

index.html

@@ -3257,11 +3257,11 @@ <h2>Syntaxes</h2>
 <a href="#advanced-concepts"></a> is the canonical structural representation of
 a <a>verifiable credential</a> or <a>verifiable presentation</a>. All
 serializations are representations of that data model in a specific format. This
-section specifies how the data model is realized in JSON-LD for the base
-media type (`application/vc+ld+json`).
-Although syntactic mappings are provided for JSON-LD,
+section specifies how the data model is realized in JSON-LD for
+`application/vc+ld+json`, the base media type for Verifiable Credentials.
+Although syntactic mappings are only provided for JSON-LD,
 applications and services can use any other data representation syntax (such as
-XML, YAML, or CBOR) that is capable of being mapped back to the base media type.
+XML, YAML, or CBOR) that is capable of being mapped back to `application/vc+ld+json`.
 As the <a>verification</a> and <a>validation</a> requirements are defined in terms
 of the data model, all serialization syntaxes have to be deterministically
 translated to the data model for processing, <a>validation</a>, or comparison.