@dlongley contribution to improve clarity and readability of existing proof scenarios

Author: bparth24

index.html

@@ -909,15 +909,15 @@ <h4>Issue Credential</h4>
       </p>
       <ul>
         <li>
-          <strong>Proof Sets</strong>: Append their proofs to the list of existing proofs 
-          provided by the caller, converting a single proof value to an array of 
-          proof values if necessary, creating a proof set where multiple proofs exist 
-          in parallel.
+          <strong>Proof Sets</strong>: Append new proofs to the list of existing proofs 
+          provided by the caller, first converting any existing single proof to a list 
+          if necessary. Here there is no binding to any existing proofs; the new proofs 
+          exist in parallel with those previously provided by the caller.
         </li>
         <li>
-          <strong>Proof Chains</strong>: Append their proofs to create a proof chain 
-          where proofs are linked in a specific sequence, potentially using properties 
-          like <code>previousProof</code> to establish the chain relationship.
+          <strong>Proof Chains</strong>: Append new proofs to create or extend an existing 
+          proof chain. Here proofs are linked in a specific sequence, potentially using the 
+          <code>previousProof</code> property to establish the chain relationship.
         </li>
         <li>
           <strong>Error Handling</strong>: Return an error if <code>credential</code>