clarify US McDonald's app is the one using Play Integrity

static/articles/attestation-compatibility-guide.html

@@ -129,7 +129,7 @@ <h2><a href="#apps-banning-grapheneos">Apps banning GrapheneOS</a></h2>
                 <ul>
                     <li><a href="https://play.google.com/store/apps/details?id=com.revolut.revolut">Revolut</a></li>
                     <li><a href="https://play.google.com/store/apps/details?id=com.revolut.business">Revolut Business</a></li>
-                    <li><a href="https://play.google.com/store/apps/details?id=com.mcdonalds.app">McDonald's</a></li>
+                    <li><a href="https://play.google.com/store/apps/details?id=com.mcdonalds.app">McDonald's</a> (McDonald's has separate apps for each region and most don't ban GrapheneOS, this is the US one which does)</li>
                     <li><a href="https://play.google.com/store/apps/details?id=com.ubercab.driver">Uber Driver</a> (not the rider app)</li>
                 </ul>