diff --git a/chrome/content/about.xul b/chrome/content/about.xul
index 6bed591..bfd6d40 100644
--- a/chrome/content/about.xul
+++ b/chrome/content/about.xul
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
 <!DOCTYPE dialog SYSTEM "chrome://leo_search/locale/about.dtd">
-<dialog title="&about; Leo Search" 
+<dialog title="&about; Leo Search"
         orient="vertical"
-        autostretch="always" 
-        onload="sizeToContent()" 
-        buttons="accept" 
+        autostretch="always"
+        onload="sizeToContent()"
+        buttons="accept"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <groupbox align="center" orient="horizontal">
     <vbox>
diff --git a/chrome/content/ff-overlay.js b/chrome/content/ff-overlay.js
index 47af18c..3e01d9b 100644
--- a/chrome/content/ff-overlay.js
+++ b/chrome/content/ff-overlay.js
@@ -1,6 +1,6 @@
 leo_search.onFirefoxLoad = function(event) {
   document.getElementById("contentAreaContextMenu")
-          .addEventListener("ipopupshowing",
+          .addEventListener("popupshowing",
            function (e){ leo_search.showFirefoxContextMenu(e); }, false);
 };
 
diff --git a/chrome/locale/en-US/overlay.dtd b/chrome/locale/en-US/overlay.dtd
index d11790b..e818e0b 100644
--- a/chrome/locale/en-US/overlay.dtd
+++ b/chrome/locale/en-US/overlay.dtd
@@ -5,6 +5,6 @@
 <!ENTITY leo_searchContext.label-ch-de "Translate at Leo.org (ch)">
 <!ENTITY leo_searchContext.label-it-de "Translate at Leo.org (it)">
 <!ENTITY leo_searchContext.label-ru-de "Translate at Leo.org (ru)">
-<!ENTITY leo_searchContext.label-it-de "Translate at Leo.org (pl)">
-<!ENTITY leo_searchContext.label-ru-de "Translate at Leo.org (pt)">
+<!ENTITY leo_searchContext.label-pl-de "Translate at Leo.org (pl)">
+<!ENTITY leo_searchContext.label-pt-de "Translate at Leo.org (pt)">