Verification: revises copy on receipt page to reflect a completed registration process

lms/templates/shoppingcart/verified_cert_receipt.html

@@ -30,7 +30,7 @@
 
           <span class="sts-track">
             <span class="sts-track-value">
-              <span class="context">${_("Registering as: ")}</span> ${_("ID Verified")}
+              <span class="context">${_("Registered as: ")}</span> ${_("ID Verified")}
             </span>
           </span>
         </span>