feat: update copy (#453)

As per https://comicrelief.atlassian.net/browse/ENG-4681

Author: AndyEPhipps

src/pages/Success/ImpactMessage/index.js

@@ -6,7 +6,7 @@ const ImpactMessage = () => {
     <React.Fragment>
       <h2>Your donation makes a big difference</h2>
       <p>
-        Your generosity means we can continue to help provide shelter for those that need it, put food on plates, fill the shelves of baby banks, offer someone to talk to, or somewhere to be safe.
+        Your generosity helps local projects continue providing essential support to people facing poverty and injustice, here in the UK and around the world.
       </p>
       <div>
         <a href="https://www.comicrelief.com/your-impact" className="btn btn--red">