update register as seller link

Author: brettstack

dev-portal/src/pages/CaseStudies/index.js

@@ -10,5 +10,5 @@ export default (props) => (
     <p>Build your own local PetStore by reselling our pets. Use our APIs to check availability data and fulfill orders.</p>
     <h3>Sell us your Pets</h3>
     <p>Establish yourself as our partner and get access to our POST API – to directly post pets to our inventory.</p>
-    <p>Successfully built an app? <a href='https://aws.amazon.com/marketplace/management/register/' target='_blank'>Register as a seller in AWS Marketplace</a> and sell your application! Questions or comments? <a href='https://forums.aws.amazon.com/forum.jspa?forumID=199' target='_blank'>Reach out to us on our forums</a>.</p>
+    <p>Successfully built an app? <a href='http://docs.aws.amazon.com/apigateway/latest/developerguide/sell-api-as-saas-on-aws-marketplace.html' target='_blank'>Register as a seller in AWS Marketplace</a> and sell your application! Questions or comments? <a href='https://forums.aws.amazon.com/forum.jspa?forumID=199' target='_blank'>Reach out to us on our forums</a>.</p>
   </div>)

dev-portal/src/pages/GettingStarted/index.js

@@ -14,6 +14,6 @@ export default (props) => (
     </ol>
     <p>The API plans that you subscribe to are governed by throttling limits and quotas as described in the API description.
     If you have exhausted your limits and want temporary extensions, contact us.</p>
-    <p>Successfully built an app? <a href='https://aws.amazon.com/marketplace/management/register/' target='_blank'>Register as a seller</a> in AWS Marketplace and sell your application!
+    <p>Successfully built an app? <a href='http://docs.aws.amazon.com/apigateway/latest/developerguide/sell-api-as-saas-on-aws-marketplace.html' target='_blank'>Register as a seller</a> in AWS Marketplace and sell your application!
     Questions or comments? Reach out to us on our <a href='https://forums.aws.amazon.com/forum.jspa?forumID=199' target='_blank'>forums</a>.</p>
   </div>)