diff --git a/manual/templates/about.html b/manual/templates/about.html
index 5cc29de240..22dcfed68a 100644
--- a/manual/templates/about.html
+++ b/manual/templates/about.html
@@ -9,7 +9,7 @@ function toggle_languages_menu() {
 <div style="text-align: center">
     <a href="https://calibre-ebook.com" title="calibre homepage" id="calibre-homepage-logo"><img src="{{ pathto('_static/logo.png', 1) }}" /></a>
     <br/>
-<form id="donate_form" action="https://www.paypal.com/cgi-bin/webscr" method="post" title="Contribute to support calibre development">
+    <form id="donate_form" action="https://www.paypal.com/cgi-bin/webscr" method="post" title="{{ support_tooltip }}">
 <style>
 #donate_form input[type=submit] {
     border-radius: 6px;