fixed "the the"

index.html

@@ -586,8 +586,8 @@ <h3>Validate Claim</h3>
         <dt>Requirement</dt>
         <dd>
           It MUST be possible for a <a>verifier</a> to check whether a
-          given claim is appropriate for a particular use. That is, given the
-          the credential is authentic and current, the verifier must then
+          given claim is appropriate for a particular use. That is, given 
+          a credential is authentic and current, the verifier must then
           interpret the claims in the context of their own 'business rules'
           concerning, for instance, which parties are acceptable authorities, and which
           cryptographic mechanisms are acceptable for what situations.