Wording improvements.

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

index.html

@@ -1717,7 +1717,7 @@ <h2>Cryptographic Suites</h2>
         </li>
         <li>
 The JSON-LD context associated with the cryptographic suite MUST have its terms 
-protected from unsafe redefinition using the <code>@protected</code> keyword.
+protected from unsafe redefinition, by use of the <code>@protected</code> keyword.
         </li>
       </ul>