diff --git a/src/locale/de/disco.json b/src/locale/de/disco.json
index 9be647fc96a..1f9b3ce6e2b 100644
--- a/src/locale/de/disco.json
+++ b/src/locale/de/disco.json
@@ -47,25 +47,25 @@
             "OK!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "%(name)s wird heruntergeladen."
          ],
          "Installing %(name)s.": [
-            ""
+            "%(name)s wird installiert."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s wurde installiert und aktiviert. Klicken Sie, um es zu deinstallieren."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s wurde deaktiviert. Klicken Sie, um es zu aktivieren."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "%(name)s wird deinstalliert."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s wurde deinstalliert. Klicken Sie, um es zu installieren."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "Installationsstatus für %(name)s ist unbekannt."
          ],
          "Discover Add-ons": [
             "Add-ons entdecken"
diff --git a/src/locale/dsb/disco.json b/src/locale/dsb/disco.json
index 57668d8d457..e0f42a7657f 100644
--- a/src/locale/dsb/disco.json
+++ b/src/locale/dsb/disco.json
@@ -47,25 +47,25 @@
             "W pórěźe!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "%(name)s se ześěgujo."
          ],
          "Installing %(name)s.": [
-            ""
+            "%(name)s se instalěrujo."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s jo se instalěrował a zmóžnił. Klikniśo, aby jen wótinstalěrował."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s jo znjemóžnjony. Klikniśo na „Zmóžniś“."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "%(name)s se wótinstalěrujo."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s jo wótinstalěrowany. Klikniśo na „Instalěrowaś“."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "Instalěrowański status za %(name)s jo njeznaty."
          ],
          "Discover Add-ons": [
             "Dodanki namakaś"
diff --git a/src/locale/es/disco.json b/src/locale/es/disco.json
index 40b02b6ce85..52b4132ef2b 100644
--- a/src/locale/es/disco.json
+++ b/src/locale/es/disco.json
@@ -47,25 +47,25 @@
             "¡Vale!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "Descargando %(name)s."
          ],
          "Installing %(name)s.": [
-            ""
+            "Instalando %(name)s."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s está instalado y activado. Haz clic para desinstalar."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s está desactivado. Haz clic para activar."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "Desinstalando %(name)s."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s se ha desinstalado. Haz clic para instalar."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "Se desconoce el estado de la instalación de %(name)s."
          ],
          "Discover Add-ons": [
             "Descubrir complementos"
diff --git a/src/locale/fr/disco.json b/src/locale/fr/disco.json
index fc6b61b2cea..d9098ece9c1 100644
--- a/src/locale/fr/disco.json
+++ b/src/locale/fr/disco.json
@@ -47,25 +47,25 @@
             "OK"
          ],
          "Downloading %(name)s.": [
-            ""
+            "Téléchargement de %(name)s."
          ],
          "Installing %(name)s.": [
-            ""
+            "Installation de %(name)s."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s a été installé et activé. Cliquez pour le désinstaller."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s est désactivé. Cliquez pour l’activer."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "Désinstallation de %(name)s."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s a été désinstallé. Cliquez pour l’installer."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "État d’installation inconnu pour %(name)s."
          ],
          "Discover Add-ons": [
             "Découvrez des modules"
diff --git a/src/locale/hsb/disco.json b/src/locale/hsb/disco.json
index d0e336aa267..9424ec24ccc 100644
--- a/src/locale/hsb/disco.json
+++ b/src/locale/hsb/disco.json
@@ -47,25 +47,25 @@
             "W porjadku!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "%(name)s so sćahuje."
          ],
          "Installing %(name)s.": [
-            ""
+            "%(name)s so instaluje."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s je so instalował a zmóžnił. Klikńće, zo byšće jón wotinstalował."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s je znjemóžnjeny. Klikńće na „Zmóžnić“."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "%(name)s so wotinstaluje."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s je wotinstalowany. Klikńće na „Instalować“."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "Instalowanski status za %(name)s je njeznaty."
          ],
          "Discover Add-ons": [
             "Přidatki wotkryć"
diff --git a/src/locale/hu/disco.json b/src/locale/hu/disco.json
index 4f3c43bea5d..2fbbcd8cd4a 100644
--- a/src/locale/hu/disco.json
+++ b/src/locale/hu/disco.json
@@ -47,25 +47,25 @@
             "OK!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "%(name)s letöltése."
          ],
          "Installing %(name)s.": [
-            ""
+            "%(name)s telepítése."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "A(z) %(name) telepítve van, és engedélyezett. Kattintson az eltávolításhoz."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "A(z) %(name)s le van tiltva. Kattintson az engedélyezéshez."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "%(name)s eltávolítása."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "A(z) %(name)s el lett távolítva. Kattintson a telepítéshez."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "A(z) %(name)s telepítési állapota ismeretlen."
          ],
          "Discover Add-ons": [
             "Kiegészítők felfedezése"
diff --git a/src/locale/ja/disco.json b/src/locale/ja/disco.json
index af5506b9353..09d7ffeca2c 100644
--- a/src/locale/ja/disco.json
+++ b/src/locale/ja/disco.json
@@ -47,25 +47,25 @@
             "了解"
          ],
          "Downloading %(name)s.": [
-            ""
+            "%(name)s をダウンロードしています。"
          ],
          "Installing %(name)s.": [
-            ""
+            "%(name)s をインストールしています。"
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s はインストール、有効化されています。削除するにはここをクリック。"
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s は無効化されています。有効化するにはここをクリック。"
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "%(name)s を削除しています。"
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s は削除されています。インストールするにはここをクリック。"
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "%(name)s のインストール状態は不明です。"
          ],
          "Discover Add-ons": [
             "アドオンを見つける"
diff --git a/src/locale/nl/disco.json b/src/locale/nl/disco.json
index 21d17311fdf..135cdf69088 100644
--- a/src/locale/nl/disco.json
+++ b/src/locale/nl/disco.json
@@ -47,25 +47,25 @@
             "OK!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "%(name)s wordt gedownload."
          ],
          "Installing %(name)s.": [
-            ""
+            "%(name)s wordt geïnstalleerd."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s is geïnstalleerd en ingeschakeld. Klik om de add-on te verwijderen."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s is uitgeschakeld. Klik om de add-on in te schakelen."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "%(name)s wordt verwijderd."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s is verwijderd. Klik om de add-on te installeren."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "Installatiestatus voor %(name)s is niet bekend."
          ],
          "Discover Add-ons": [
             "Add-ons ontdekken"
diff --git a/src/locale/pt_BR/disco.json b/src/locale/pt_BR/disco.json
index ebcd5ccd09e..10469e58485 100644
--- a/src/locale/pt_BR/disco.json
+++ b/src/locale/pt_BR/disco.json
@@ -47,25 +47,25 @@
             "OK!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "Baixando %(name)s."
          ],
          "Installing %(name)s.": [
-            ""
+            "Instalando %(name)s."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s está instalado e habilitado. Clique para desinstalar."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s está desabilitado. Clique para habilitar."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "Desinstalando %(name)s."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s está desinstalado. Clique para instalar."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "Estado da instalação de %(name)s é desconhecido."
          ],
          "Discover Add-ons": [
             "Descobrir complementos"
diff --git a/src/locale/pt_PT/disco.json b/src/locale/pt_PT/disco.json
index 984a3158ae6..9e0881b70f1 100644
--- a/src/locale/pt_PT/disco.json
+++ b/src/locale/pt_PT/disco.json
@@ -47,25 +47,25 @@
             "OK!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "A descarregar %(name)s."
          ],
          "Installing %(name)s.": [
-            ""
+            "A instalar %(name)s."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s está instalado e ativado. Clique para desinstalar."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s está desativado. Clique para ativar."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "A desinstalar %(name)s."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s está desinstalado. Clique para instalar."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "O estado de instalação para %(name)s é desconhecido."
          ],
          "Discover Add-ons": [
             "Descobrir extras"
diff --git a/src/locale/ru/disco.json b/src/locale/ru/disco.json
index 509c4cc90aa..8d986e5a22b 100644
--- a/src/locale/ru/disco.json
+++ b/src/locale/ru/disco.json
@@ -47,25 +47,25 @@
             "ОК!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "Загрузка %(name)s."
          ],
          "Installing %(name)s.": [
-            ""
+            "Установка %(name)s."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s установлено и включено. Щёлкните, чтобы удалить."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s отключено. Щёлкните, чтобы включить."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "Удаление %(name)s."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s удалено. Щёлкните, чтобы установить."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "Состояние установки %(name)s неизвестно."
          ],
          "Discover Add-ons": [
             "Откройте для себя дополнения"
diff --git a/src/locale/sl/disco.json b/src/locale/sl/disco.json
index 0f148c0b71e..c73119e80fa 100644
--- a/src/locale/sl/disco.json
+++ b/src/locale/sl/disco.json
@@ -47,25 +47,25 @@
             "V redu!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "Prenašanje %(name)s."
          ],
          "Installing %(name)s.": [
-            ""
+            "Nameščanje %(name)s."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s je nameščen in omogočen. Kliknite za odstranjevanje."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s je onemogočen. Kliknite, da ga omogočite."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "Odstranjevanje %(name)s."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s je bil odstranjen. Kliknite za namestitev."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "Ni znano, ali je %(name)s nameščen ali ne."
          ],
          "Discover Add-ons": [
             "Odkrijte dodatke"
diff --git a/src/locale/sv_SE/disco.json b/src/locale/sv_SE/disco.json
index 50907a24207..e61cf1dcbc9 100644
--- a/src/locale/sv_SE/disco.json
+++ b/src/locale/sv_SE/disco.json
@@ -47,25 +47,25 @@
             "Ok!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "Hämtar %(name)s."
          ],
          "Installing %(name)s.": [
-            ""
+            "Installerar %(name)s."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s är installerad och aktiveras. Klicka för att avinstallera."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s är inaktiverad. Klicka för att aktivera."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "Avinstallerar %(name)s."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s är avinstallerad. Klicka för att installera."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "Installationstillstånd för %(name)s är okänt."
          ],
          "Discover Add-ons": [
             "Upptäck tillägg"
diff --git a/src/locale/uk/disco.json b/src/locale/uk/disco.json
index 52ae83c6cb2..670967b50da 100644
--- a/src/locale/uk/disco.json
+++ b/src/locale/uk/disco.json
@@ -47,25 +47,25 @@
             "Гаразд!"
          ],
          "Downloading %(name)s.": [
-            ""
+            "Завантаження %(name)s."
          ],
          "Installing %(name)s.": [
-            ""
+            "Встановлення %(name)s."
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s встановлено й увімкнено. Натисніть для видалення."
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s вимкнено. Натисніть для увімкнення."
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "Видалення %(name)s."
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s видалено. Натисніть для встановлення."
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "Стан встановлення для %(name)s невідомий."
          ],
          "Discover Add-ons": [
             "Відкрийте для себе додатки"
@@ -74,7 +74,7 @@
             "Персоналізуйте ваш Firefox"
          ],
          "There are thousands of add-ons that let you make Firefox all your\nown—everything from fun visual themes to powerful tools and features.\nHere are a few great ones to check out.": [
-            "Існують тисячі додатків, які дозволяють вам зробити Firefox\nсвоїм — все від веселих візуальних тем до потужних інструментів і функцій.\nОсь декілька чудових прикладів."
+            "Існують тисячі додатків, які дозволяють вам адаптувати Firefox\nпід себе — все від веселих візуальних тем до потужних інструментів та функцій.\nОсь декілька чудових прикладів."
          ],
          "Click to play": [
             "Натисніть для відтворення"
diff --git a/src/locale/zh_CN/disco.json b/src/locale/zh_CN/disco.json
index 077e428927e..20d2637ee8d 100644
--- a/src/locale/zh_CN/disco.json
+++ b/src/locale/zh_CN/disco.json
@@ -11,16 +11,16 @@
             "关闭"
          ],
          "Hover to preview or click to install %(name)s": [
-            "悬停以预览，点击安装 %(name)s"
+            "鼠标悬停在上面即可预览，点击可安装 %(name)s"
          ],
          "Hover over the image to preview": [
-            "悬停在图像上以预览"
+            "鼠标悬停在图像上可预览"
          ],
          "Installation failed. Please try again.": [
             "安装失败。请重试。"
          ],
          "Download failed. Please check your connection.": [
-            "下载失败。请检查您的连接。"
+            "下载失败。请检查您的网络连接。"
          ],
          "An unexpected error occurred during installation.": [
             "安装时发生意外错误。"
@@ -41,40 +41,40 @@
             "您的附加组件已就绪"
          ],
          "Now you can access %(name)s from the toolbar.": [
-            "您现在可以从工具栏访问 %(name)s 了。"
+            "您现在可以在工具栏找到 %(name)s 了。"
          ],
          "OK!": [
-            "好的！"
+            "知道了！"
          ],
          "Downloading %(name)s.": [
-            ""
+            "正在下载 %(name)s。"
          ],
          "Installing %(name)s.": [
-            ""
+            "正在安装 %(name)s。"
          ],
          "%(name)s is installed and enabled. Click to uninstall.": [
-            ""
+            "%(name)s 已安装成功并启用。若不喜欢可点击卸载。"
          ],
          "%(name)s is disabled. Click to enable.": [
-            ""
+            "%(name)s 已被禁用。点击可启用。"
          ],
          "Uninstalling %(name)s.": [
-            ""
+            "正在卸载 %(name)s。"
          ],
          "%(name)s is uninstalled. Click to install.": [
-            ""
+            "%(name)s 已被卸载。点击可重新安装。"
          ],
          "Install state for %(name)s is unknown.": [
-            ""
+            "%(name)s 的安装状态未知。"
          ],
          "Discover Add-ons": [
-            "发现附加组件"
+            "探寻附加组件"
          ],
          "Personalize Your Firefox": [
-            "个性化你的火狐"
+            "个性化您的火狐"
          ],
          "There are thousands of add-ons that let you make Firefox all your\nown—everything from fun visual themes to powerful tools and features.\nHere are a few great ones to check out.": [
-            "有成千上万的附加组件让你的 Firefox 更具个性\n—像是有趣的视觉主题，强大的工具和功能。\n这里有一些推荐给你。"
+            "有成千上万的附加组件让 Firefox 更具你的个性\n——像是有趣的视觉主题，强大的工具和功能。\n这里有一些推荐给您。"
          ],
          "Click to play": [
             "点击播放"