diff --git a/src/chrome/locale/en-US/overlay.properties b/src/chrome/locale/en-US/overlay.properties
index fd3b3e0..77127d0 100644
--- a/src/chrome/locale/en-US/overlay.properties
+++ b/src/chrome/locale/en-US/overlay.properties
@@ -1,4 +1,4 @@
-extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=A system tray extension for linux.
+extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=A system tray extension.
 popupMenu.itemLabel.ResetIcon=Reset icon
 popupMenu.itemLabel.Preferences=Preferences
 popupMenu.itemLabel.Quit=Quit
diff --git a/src/chrome/locale/it/overlay.properties b/src/chrome/locale/it/overlay.properties
index a45fe4a..f5199d0 100644
--- a/src/chrome/locale/it/overlay.properties
+++ b/src/chrome/locale/it/overlay.properties
@@ -1,4 +1,4 @@
-extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Permette di ridurre l'applicazione nell'area di notifica di Linux
+extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Permette di ridurre l'applicazione nell'area di notifica
 popupMenu.itemLabel.ResetIcon=Ripristina icona
 popupMenu.itemLabel.Preferences=Preferenze
 popupMenu.itemLabel.Quit=Esci
diff --git a/src/chrome/locale/nl/overlay.properties b/src/chrome/locale/nl/overlay.properties
index b76b838..49b88de 100644
--- a/src/chrome/locale/nl/overlay.properties
+++ b/src/chrome/locale/nl/overlay.properties
@@ -1,4 +1,4 @@
-extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Een systeemvakextensie voor Linux.
+extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Een systeemvakextensie.
 popupMenu.itemLabel.ResetIcon=Pictogram resetten
 popupMenu.itemLabel.Preferences=Preferences
 popupMenu.itemLabel.Quit=Stoppen
diff --git a/src/chrome/locale/pl-PL/overlay.properties b/src/chrome/locale/pl-PL/overlay.properties
index 8a4ec28..c32043d 100644
--- a/src/chrome/locale/pl-PL/overlay.properties
+++ b/src/chrome/locale/pl-PL/overlay.properties
@@ -1,4 +1,4 @@
-extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Rozszerzenie zasobnika dla linuxa.
+extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Rozszerzenie zasobnika.
 popupMenu.itemLabel.ResetIcon=Resetuj ikonę
 popupMenu.itemLabel.Preferences=Ustawienia
 popupMenu.itemLabel.Quit=Wyjdź
diff --git a/src/chrome/locale/ru-RU/overlay.properties b/src/chrome/locale/ru-RU/overlay.properties
index 2a7a0be..b641790 100644
--- a/src/chrome/locale/ru-RU/overlay.properties
+++ b/src/chrome/locale/ru-RU/overlay.properties
@@ -1,4 +1,4 @@
-extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Значок в трее для GNU/Linux
+extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Значок в трее
 popupMenu.itemLabel.ResetIcon=Обновить
 popupMenu.itemLabel.Preferences=Настройки
 popupMenu.itemLabel.Quit=Выход
diff --git a/src/chrome/locale/sk-SK/overlay.properties b/src/chrome/locale/sk-SK/overlay.properties
index b2f7486..703a3dc 100644
--- a/src/chrome/locale/sk-SK/overlay.properties
+++ b/src/chrome/locale/sk-SK/overlay.properties
@@ -1,4 +1,4 @@
-extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Linuxové rozšírenie pre oznamovaciu lištu
+extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Rozšírenie pre oznamovaciu lištu
 popupMenu.itemLabel.ResetIcon=Obnoviť ikonu
 popupMenu.itemLabel.Preferences=Preferences
 popupMenu.itemLabel.Quit=Koniec
diff --git a/src/chrome/locale/zh-TW/overlay.properties b/src/chrome/locale/zh-TW/overlay.properties
index 5e4771c..52ebdcc 100644
--- a/src/chrome/locale/zh-TW/overlay.properties
+++ b/src/chrome/locale/zh-TW/overlay.properties
@@ -1,4 +1,4 @@
-extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=Linux 用的系統列套件。
+extensions.{9533f794-00b4-4354-aa15-c2bbda6989f8}.description=用的系統列套件。
 popupMenu.itemLabel.ResetIcon=重設圖示
 popupMenu.itemLabel.Preferences=Preferences
 popupMenu.itemLabel.Quit=結束
diff --git a/src/install.rdf b/src/install.rdf
index b03cd5a..4558701 100644
--- a/src/install.rdf
+++ b/src/install.rdf
@@ -6,11 +6,11 @@
     <em:unpack>true</em:unpack> <!-- needed for embedded icons -->
     <em:type>2</em:type>
     <em:name>FireTray</em:name>
-    <em:version>0.5.0</em:version> <!-- change FIRETRAY_VERSION accordingly ! -->
+    <em:version>0.5.1</em:version> <!-- change FIRETRAY_VERSION accordingly ! -->
     <em:creator>Hua Luo, Francesco Solero, Foudil BRÉTEL</em:creator>
     <em:contributor>Hua Luo, Francesco Solero (Firetray original authors)</em:contributor>
     <em:homepageURL>https://github.com/foudfou/firetray</em:homepageURL>
-    <em:description>A system tray extension for linux.</em:description>
+    <em:description>A system tray extension.</em:description>
     <em:optionsURL>chrome://firetray/content/options.xul</em:optionsURL>
     <em:iconURL>chrome://firetray/skin/icons/firetray48.png</em:iconURL>
     <em:icon64URL>chrome://firetray/skin/icons/firetray64.png</em:icon64URL>
@@ -98,7 +98,7 @@
       <Description>
         <em:locale>de-DE</em:locale>
         <em:translator>Florian Haftmann</em:translator>
-        <em:description>Tray-Erweiterung für GNU/Linux.</em:description>
+        <em:description>Tray-Erweiterung.</em:description>
       </Description>
     </em:localized>
 
@@ -106,7 +106,7 @@
       <Description>
         <em:locale>es-AR</em:locale>
         <em:translator>profediego@gmail.com</em:translator>
-        <em:description>Una extensión para la bandeja del sistema en linux.</em:description>
+        <em:description>Una extensión para la bandeja del sistema.</em:description>
       </Description>
     </em:localized>
 
@@ -116,7 +116,7 @@
         <em:translator>Goofy</em:translator>
         <em:translator>Jojaba - BabelZilla</em:translator>
         <em:translator>nico@nc</em:translator>
-        <em:description>Une extension qui crée une zone de notification pour Linux.</em:description>
+        <em:description>Une extension qui crée une zone de notification.</em:description>
       </Description>
     </em:localized>
 
@@ -124,7 +124,7 @@
       <Description>
         <em:locale>hr-HR</em:locale>
         <em:translator>Goran Vidović (gogo)</em:translator>
-        <em:description>Proširenje za traku sustava u linuxu.</em:description>
+        <em:description>Proširenje za traku sustava.</em:description>
       </Description>
     </em:localized>
 
@@ -132,7 +132,7 @@
       <Description>
         <em:locale>it</em:locale>
         <em:translator>Underpass (mozillaitalia.org)</em:translator>
-        <em:description>Permette di ridurre l'applicazione nell'area di notifica di Linux.</em:description>
+        <em:description>Permette di ridurre l'applicazione nell'area di notifica.</em:description>
       </Description>
     </em:localized>
 
@@ -140,7 +140,7 @@
       <Description>
         <em:locale>nl</em:locale>
         <em:translator>markh van BabelZilla.org</em:translator>
-        <em:description>Een systeemvakextensie voor Linux.</em:description>
+        <em:description>Een systeemvakextensie.</em:description>
       </Description>
     </em:localized>
 
@@ -148,7 +148,7 @@
       <Description>
         <em:locale>pl-PL</em:locale>
         <em:translator>AreYouLoco?</em:translator>
-        <em:description>Rozszerzenie zasobnika dla linuxa.</em:description>
+        <em:description>Rozszerzenie zasobnika.</em:description>
       </Description>
     </em:localized>
 
@@ -156,7 +156,7 @@
       <Description>
         <em:locale>sk-SK</em:locale>
         <em:translator>Slavko slavino.sk</em:translator>
-        <em:description>Linuxové rozšírenie pre oznamovaciu lištu.</em:description>
+        <em:description>Rozšírenie pre oznamovaciu lištu.</em:description>
       </Description>
     </em:localized>
 
@@ -164,7 +164,7 @@
       <Description>
         <em:locale>ru-RU</em:locale>
         <em:translator>VitalD</em:translator>
-        <em:description>Значок в трее для GNU/Linux.</em:description>
+        <em:description>Значок в трее.</em:description>
       </Description>
     </em:localized>
 
@@ -172,7 +172,7 @@
       <Description>
         <em:locale>zh-TW</em:locale>
         <em:translator>Velociraptor</em:translator>
-        <em:description>Linux 用的系統列套件。</em:description>
+        <em:description>用的系統列套件。</em:description>
       </Description>
     </em:localized>
 
diff --git a/src/modules/commons.js b/src/modules/commons.js
index e363088..9fa622f 100644
--- a/src/modules/commons.js
+++ b/src/modules/commons.js
@@ -25,7 +25,7 @@ const Cu = Components.utils;
 Cu.import("resource://gre/modules/Services.jsm");
 Cu.import("resource://firetray/logging.jsm");
 
-const FIRETRAY_VERSION           = "0.5.0"; // needed for sync call of onVersionChange() :(
+const FIRETRAY_VERSION           = "0.5.1"; // needed for sync call of onVersionChange() :(
 const FIRETRAY_SUPPORTED_OS      = ['linux', 'winnt']; // install.rdf sync :(
 const FIRETRAY_CHAT_SUPPORTED_OS = ['linux'];
 const FIRETRAY_FULL_FEAT_SUPPORTED_OS = FIRETRAY_CHAT_SUPPORTED_OS;