Update index.html (#34)

Address #14, and add back change from #30, which got clobbered in a previous merge

index.html

@@ -241,10 +241,13 @@ <h2>Scope</h2>
           </li>
           <li>
 Concentrate their efforts on the initial <a href="https://w3c-ccg.github.io/did-use-cases/">use cases</a>
-with a particular focus on Identity and Access Management. Use cases from
+with a particular focus on enabling Identity and Access Management. Use cases from
 other industries may be included if there is significant industry participation.
           </li>
           <li>
+Define extension points enabling authentication, signing and cryptography mechanisms, but not defining specific authentication, signing or cryptography mechanisms. (See "Out of Scope".)          
+          </li> 
+          <li>    
 With the initial <a href="https://w3c-ccg.github.io/did-use-cases/">use cases</a> document as input, the WG will produce a NOTE at the end of the process that is a refined Use Cases document.
           </li>
         </ol>
@@ -261,6 +264,7 @@ <h3 id="out-of-scope">Out of Scope</h3>
               <li>Browser APIs</li>
               <li>Specific Implementations of DID Methods and Protocols</li>
               <li>"Solving Identity" on the Web</li>
+              <li>Defining specific authentication, signing or cryptography mechanisms. Scope is limited to defining extension points for these mechanisms (See "Scope".)</li>
             </ul>
         </div>