diff --git a/_locales/da/messages.json b/_locales/da/messages.json
index 9dc30e762..424f05a3f 100644
--- a/_locales/da/messages.json
+++ b/_locales/da/messages.json
@@ -143,6 +143,10 @@
     "message":"Apply",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"purge cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/fr/messages.json b/_locales/fr/messages.json
index 9d939a042..447fa87d8 100644
--- a/_locales/fr/messages.json
+++ b/_locales/fr/messages.json
@@ -144,7 +144,7 @@
     "description":"English: Apply"
   },
   "3pExternalListPurge":{
-    "message":"Vider le cache",
+    "message":"vider le cache",
     "description":"English: purge cache"
   },
   "1pFormatHint":{
diff --git a/_locales/hu/messages.json b/_locales/hu/messages.json
index e03514a68..a6723b397 100644
--- a/_locales/hu/messages.json
+++ b/_locales/hu/messages.json
@@ -143,6 +143,10 @@
     "message":"Apply",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"purge cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"Egy lista soronként. A filter lehet egy hostname, vagy Adblock-Plus compatibilis filter.\nSorok amik egy ‘!’-val kezdenek, nem lesznek tudomásul véve.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/it/messages.json b/_locales/it/messages.json
index 7ea9e7e4b..1d42f9100 100644
--- a/_locales/it/messages.json
+++ b/_locales/it/messages.json
@@ -143,6 +143,10 @@
     "message":"Applica",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"purge cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"Un filtro per ogni riga. Un filtro può essere un hostname, o un filtro compatibile con Adblock Plus. Ogni riga che comincia con ‘!’ verrà ignorata.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/ja/messages.json b/_locales/ja/messages.json
index 71fc8eec4..c87589a76 100644
--- a/_locales/ja/messages.json
+++ b/_locales/ja/messages.json
@@ -143,6 +143,10 @@
     "message":"Apply",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"purge cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/nb/messages.json b/_locales/nb/messages.json
index ad730b0af..bdce006f3 100644
--- a/_locales/nb/messages.json
+++ b/_locales/nb/messages.json
@@ -143,6 +143,10 @@
     "message":"Apply",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"purge cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"Ett filter per linje. Et filter kan være et vanlig vertsnavn eller et Adblock Plus-kompatibelt filter. Linjer med prefikset ‘!’ vil bli ignorert.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/nl/messages.json b/_locales/nl/messages.json
index 91c0b6b43..930a67333 100644
--- a/_locales/nl/messages.json
+++ b/_locales/nl/messages.json
@@ -143,6 +143,10 @@
     "message":"Toepassen",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"purge cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"Één filter per lijn. Een filter kan een gewone hostname of een Adblock Plus-compatibele filter zijn. Lijnen voorgaand met ‘!’ worden genegeerd.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/pl/messages.json b/_locales/pl/messages.json
index 6298a8bb9..2ba0f269a 100644
--- a/_locales/pl/messages.json
+++ b/_locales/pl/messages.json
@@ -136,13 +136,17 @@
     "description":"English: Custom"
   },
   "3pExternalListsHint":{
-    "message":"One URL per line. Lines prefixed with ‘!’ will be ignored. Invalid URLs will be silently ignored.",
+    "message":"Jeden URL na linię. Linie poprzedzone znakiem ‘!’ będą pominięte. Błędne URL zostaną zignorowane.",
     "description":"English: One URL per line. Lines prefixed with ‘!’ will be ignored. Invalid URLs will be silently ignored."
   },
   "3pExternalListsApply":{
     "message":"Zastosuj",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"wyczyść pamięć podręczną",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"Jeden filtr na linię. Filtrem może być nazwa hosta, albo filtr kompatybilny z Adblock Plus. Linie poprzedzone znakiem ‘!’ będą ignorowane.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
@@ -160,7 +164,7 @@
     "description":"English: Apply changes"
   },
   "whitelistPrompt":{
-    "message":"Your list of host names for which µBlock will be disabled. One entry per line. Invalid host names will be silently ignored.",
+    "message":"Twoja lista nazw hostów, na których µBlock zostanie wyłączony. Jeden wpis na linię. Błędne nazwy hostów zostaną zignorowane.",
     "description":"English: Your list of host names for which µBlock will be disabled. One host name per line. Invalid host names will be silently ignored."
   },
   "whitelistImport":{
diff --git a/_locales/pt_BR/messages.json b/_locales/pt_BR/messages.json
index b913daba9..1caacef01 100644
--- a/_locales/pt_BR/messages.json
+++ b/_locales/pt_BR/messages.json
@@ -143,6 +143,10 @@
     "message":"Aplicar",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"limpar cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"Adicione um filtro por linha. Um filtro pode ser um simples hostname ou um filtro compatível com o Adblock Plus. Linhas prefixadas com ‘!’ serão ignoradas.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/ru/messages.json b/_locales/ru/messages.json
index f6ce8dcc1..8105364bf 100644
--- a/_locales/ru/messages.json
+++ b/_locales/ru/messages.json
@@ -143,6 +143,10 @@
     "message":"Применить",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"purge cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"Одно правило на строку. Правилом может быть обычное имя сайти, или Adblock Plus-совместимый фильтр. Линии начинающиеся с ‘!’ будут пропущены.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/sv/messages.json b/_locales/sv/messages.json
index 08b9de38b..a58592598 100644
--- a/_locales/sv/messages.json
+++ b/_locales/sv/messages.json
@@ -124,7 +124,7 @@
     "description":"English: Social"
   },
   "3pGroupMultipurpose":{
-    "message":"Universalt",
+    "message":"Universalfilter",
     "description":"English: Multipurpose"
   },
   "3pGroupRegions":{
@@ -132,7 +132,7 @@
     "description":"English: Regions, languages"
   },
   "3pGroupCustom":{
-    "message":"Anpassad",
+    "message":"Egna filter",
     "description":"English: Custom"
   },
   "3pExternalListsHint":{
@@ -143,6 +143,10 @@
     "message":"Verkställ",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"rensa cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"Ett filter per rad. Ett filter kan vara ett vanligt värdnamn eller ett Adblock Plus-kompatibelt filter. Rader med prefixet ‘!’ kommer att ignoreras.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/tr/messages.json b/_locales/tr/messages.json
index 1b130c65a..6b38c660e 100644
--- a/_locales/tr/messages.json
+++ b/_locales/tr/messages.json
@@ -143,6 +143,10 @@
     "message":"Apply",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"purge cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/uk/messages.json b/_locales/uk/messages.json
index 7aee174c6..5b0bfc58f 100644
--- a/_locales/uk/messages.json
+++ b/_locales/uk/messages.json
@@ -143,6 +143,10 @@
     "message":"Apply",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"purge cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"Один фільтр на рядок. Фільтром може бути адреса сайту або фільтр у Adblock Plus-сумісному записі. Рядки, що починаються з ‘!’ ігноруються.",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."
diff --git a/_locales/zh_CN/messages.json b/_locales/zh_CN/messages.json
index 229a6b413..750cd4be6 100644
--- a/_locales/zh_CN/messages.json
+++ b/_locales/zh_CN/messages.json
@@ -143,6 +143,10 @@
     "message":"Apply",
     "description":"English: Apply"
   },
+  "3pExternalListPurge":{
+    "message":"purge cache",
+    "description":"English: purge cache"
+  },
   "1pFormatHint":{
     "message":"每行一条规则。一条规则可以是一个平凡的站点名或者是一条Adblock Plus的兼容过滤规则。以“!”开头的行将被忽略。",
     "description":"English: One filter per line. A filter can be a plain hostname, or an Adblock Plus-compatible filter. Lines prefixed with ‘!’ will be ignored."