more copy tweaks

cms/templates/500.html

@@ -9,7 +9,7 @@
     <h1>The <em>Studio</em> servers encountered an error</h1>
     <p>
       An error occurred in Studio and the page could not be loaded. Please try again in a few moments.
-      We've logged the error and our staff is currently working to get Studio back up as soon as possible. 
+      We've logged the error and our staff is currently working to resolve this error as soon as possible. 
       If the problem persists, please email us at <a href="mailto:technical@edx.org">technical@edx.org</a>.
     </p>
   </section>