updated phone number and header (#31878)

Co-authored-by: Rachel <rachele.eiting@copilot.llc>

src/applications/ivc-champva/10-7959f-1/containers/ConfirmationPage.jsx

@@ -67,7 +67,7 @@ export class ConfirmationPage extends React.Component {
             onClick={window.print}
           />
         </div>
-        <h2>What to expect after you submit your form</h2>
+        <h2>What to expect next</h2>
         <p>
           We'll review your registration form. This can take up to 60 days. If
           you're eligible for this program, we'll send you a benefits
@@ -84,7 +84,7 @@ export class ConfirmationPage extends React.Component {
         <div>
           <p>
             If you have questions about your registration or an FMP claim, call
-            the FMP office at <va-telephone contact="8773458179" /> (
+            the FMP office at <va-telephone contact="8339300816" /> (
             <va-telephone tty contact="711" />
             ). We're here Monday through Friday, 8:05 a.m. to 6:45 p.m. ET.
           </p>