bring string in line with rest

src/addrbook_popup.php

@@ -17,9 +17,9 @@
  */
 include('../include/init.php');
 
-displayHtmlHeader($org_title .': '. _("AddressBook"), '', false, true);
+displayHtmlHeader($org_title .': '. _("Addresses"), '', false, true);
 
 $oTemplate->display('addressbook_popup.tpl');
 
 $oTemplate->display('footer.tpl');
-?>
+