Update feedback purpose

Updating feedback purpose messaging to strengthen message to users about not entering personal information

app/views/feedback/steps/_purpose.html.erb

@@ -2,7 +2,7 @@
 
 <p>We'll review this feedback to make our website better. Answer 3 questions to let us know how we can improve.</p>
 
-<p>All feedback is anonymous and we cannot respond to individual queries. Do not enter any sensitive information.</p>
+<p>All feedback is anonymous and we cannot respond to individual queries. Do not enter any sensitive information, such as your name, phone number or other personal details.</p>
 
 <p>If you have a question or need help, please visit our get <%= link_to "help and support page", "/help-and-support" %>.</p>