diff --git a/docs/theme/nature/layout.html b/docs/theme/nature/layout.html
--- a/docs/theme/nature/layout.html
+++ b/docs/theme/nature/layout.html
@@ -9,7 +9,7 @@
 <form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top">
 <input type="hidden" name="cmd" value="_s-xclick">
 <input type="hidden" name="hosted_button_id" value="EYXFS3SQPHYUL">
-<input type="image" src="https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!">
+<input type="image" src="https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif" border="0" name="submit" alt="PayPal &ndash; The safer, easier way to pay online!">
 <img alt="" border="0" src="https://www.paypalobjects.com/en_US/i/scr/pixel.gif" width="1" height="1">
 </form>
     <div style="padding:5px">