remove erraneous closing parenthesis

Author: kdenhartog

index.html

@@ -818,7 +818,7 @@ <h3>Presentations</h3>
 <code>verifiableCredential</code> property in the Presentation <a>Graph</a>
 refers to one or more <a>verifiable credentials</a>, each being one of the
 second information <a>graphs</a>, i.e., a self-contained Credential
-<a>Graph</a>), which in turn contains credential metadata and claims. The
+<a>Graph</a>, which in turn contains credential metadata and claims. The
 third information <a>graph</a>, the Credential Proof <a>Graph</a>, expresses
 the credential graph proof, which is usually a digital signature. The fourth
 information <a>graph</a>, the Presentation Proof <a>Graph</a>, expresses the