Update title of donation button

client/index.html

@@ -131,7 +131,7 @@
                         <use xlink:href="#github" />
                     </svg>
                 </a>
-                <a class="icon-button" target="_blank" href="https://www.paypal.com/donate?hosted_button_id=FTP9DXUR7LA7Q" title="Donate to cover the server costs" rel="noreferrer">
+                <a class="icon-button" target="_blank" href="https://www.paypal.com/donate?hosted_button_id=FTP9DXUR7LA7Q" title="Help cover the server costs!" rel="noreferrer">
                     <svg class="icon">
                         <use xlink:href="#monetarization" />
                     </svg>