Update safeguarding copy strings

Author: patch0

web/public/js/directives/cd-start-dojo/venue/template.dust

@@ -118,9 +118,10 @@
         <div class="cd-simple-flex-grid__flex-1 cd-sad-venue__safeguarding">
           <h3>{@i18n key="Keeping your Dojo safe"/}</h3>
           <p>
-            {@i18n key="To ensure the safety of young people at Dojos, we require the email address of a safeguarding sponsor."/} &nbsp;
-            {@i18n key="An appropriate sponsor would be a person holding a manager-level position within a corporate or non-profit organisation."/} &nbsp;
-            {@i18n key="This sponsor will help ensure that your club operates in accordance with our"/}&nbsp;
+            {@i18n key="To ensure the safety of young people at Dojos, we require a second adult to act as a safeguarding sponsor for your Dojo."/} &nbsp;
+            {@i18n key="An appropriate sponsor would be a person holding a manager-level position within a school, library, corporate or non-profit organisation."/} &nbsp;
+            {@i18n key="The Dojo sponsor and the Dojo champion cannot be the same person."/} &nbsp;
+            {@i18n key="This sponsor will help ensure that your Dojo operates in accordance with our"/}&nbsp;
             <a href="https://www.raspberrypi.org/safeguarding/">{@i18n key="safeguarding policy"/}</a>&nbsp;
             {@i18n key="and that all your volunteers have the appropriate background checks."/}
           </p>