diff --git a/src/calibre/manual/templates/layout.html b/src/calibre/manual/templates/layout.html
index 8f35a9a6c5..88e1605f92 100644
--- a/src/calibre/manual/templates/layout.html
+++ b/src/calibre/manual/templates/layout.html
@@ -16,17 +16,17 @@
         <div class="body">
             {% if not embedded %}
             <div id="ad-container" style="text-align:center">
-                    <script type="text/javascript"><!--
-                        google_ad_client = "ca-pub-2595272032872519";
-                        /* User Manual horizontal */
-                        google_ad_slot = "3131592704";
-                        google_ad_width = 728;
-                        google_ad_height = 90;
-                        //-->
-                    </script>
-                    <script type="text/javascript"
-                        src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
-                    </script>
+                <script type="text/javascript"><!--
+                    google_ad_client = "ca-pub-5939552585043235";
+                    /* User Manual horizontal */
+                    google_ad_slot = "7580893187";
+                    google_ad_width = 728;
+                    google_ad_height = 90;
+                    //-->
+                </script>
+                <script type="text/javascript"
+                src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
+                </script>
             </div>
             {% endif %}
             {% block body %} {% endblock %}
@@ -58,13 +58,14 @@
         <p class="logo">
             <a href="http://calibre-ebook.com"><img class="logo" src="{{ pathto('_static/' + logo, 1) }}" alt="Logo"/></a>
         </p>
-         <form action="https://www.paypal.com/cgi-bin/webscr" method="post">
-               <input type="hidden" name="cmd" value="_s-xclick" />
-               <input type="hidden" name="hosted_button_id" value="3028915" />
-               <input type="image" src="https://www.paypal.com/en_US/i/btn/btn_donate_LG.gif" border="0" name="submit" alt="Donate to support calibre development" style="border:0pt" />
-               <img alt="" border="0" src="https://www.paypal.com/en_US/i/scr/pixel.gif" width="1" height="1"/>
-           </form>
-           <hr/>
+
+        <form action="https://www.paypal.com/cgi-bin/webscr" method="post">
+            <input type="hidden" name="cmd" value="_s-xclick" />
+            <input type="hidden" name="hosted_button_id" value="AF4H3B8QVDG6N" />
+            <input type="image" src="http://manual.calibre-ebook.com/simple_donate_button.gif" border="0" name="submit" alt="Donate to support calibre development" style="border:0pt" />
+            <img alt="" border="0" src="https://www.paypalobjects.com/en_GB/i/scr/pixel.gif" width="1" height="1" />
+        </form>
+        <hr/>
 {% endblock %}