diff --git a/platform/mv3/extension/_locales/ar/messages.json b/platform/mv3/extension/_locales/ar/messages.json
index 62bc98175dd32..c4fd37b0e2c92 100644
--- a/platform/mv3/extension/_locales/ar/messages.json
+++ b/platform/mv3/extension/_locales/ar/messages.json
@@ -252,7 +252,7 @@
     "description": "Sentence used in the strict-blocked page"
   },
   "strictblockReasonSentence1": {
-    "message": "The page was blocked because of a matching filter in {{listname}}.",
+    "message": "تم حظر الصفحة بسبب وجود فلتر مطابق في {{listname}}.",
     "description": "Text informing about what is causing the page to be blocked"
   },
   "strictblockRedirectSentence1": {
diff --git a/platform/mv3/extension/_locales/de/messages.json b/platform/mv3/extension/_locales/de/messages.json
index de200b1f5e779..22b4bb99bb3cb 100644
--- a/platform/mv3/extension/_locales/de/messages.json
+++ b/platform/mv3/extension/_locales/de/messages.json
@@ -60,7 +60,7 @@
     "description": "Header for a ruleset section in 'Filter lists pane'"
   },
   "3pGroupMalware": {
-    "message": "Domains mit Schadsoftware",
+    "message": "Schutz vor Schadsoftware, Sicherheit",
     "description": "Header for a ruleset section in 'Filter lists pane'"
   },
   "3pGroupAnnoyances": {
diff --git a/platform/mv3/extension/_locales/es/messages.json b/platform/mv3/extension/_locales/es/messages.json
index 10eec6a0d1a76..e17dfe967f5e4 100644
--- a/platform/mv3/extension/_locales/es/messages.json
+++ b/platform/mv3/extension/_locales/es/messages.json
@@ -60,7 +60,7 @@
     "description": "Header for a ruleset section in 'Filter lists pane'"
   },
   "3pGroupMalware": {
-    "message": "Dominios de malware",
+    "message": "Protección de malware, seguridad",
     "description": "Header for a ruleset section in 'Filter lists pane'"
   },
   "3pGroupAnnoyances": {
diff --git a/platform/mv3/extension/_locales/it/messages.json b/platform/mv3/extension/_locales/it/messages.json
index 3a7da35ac8aa9..e454824ab0d3b 100644
--- a/platform/mv3/extension/_locales/it/messages.json
+++ b/platform/mv3/extension/_locales/it/messages.json
@@ -232,11 +232,11 @@
     "description": "Label for a checkbox in the options page"
   },
   "enableStrictBlockLabel": {
-    "message": "Enable strict blocking",
+    "message": "Abilita il blocco rigido",
     "description": "Label for a checkbox in the options page"
   },
   "enableStrictBlockLegend": {
-    "message": "Navigation to potentially undesirable sites will be blocked, and you will be offered the option to proceed.",
+    "message": "La navigazione verso siti potenzialmente indesiderati verrà bloccata e ti verrà offerta la possibilità di procedere.",
     "description": "Label for a checkbox in the options page"
   },
   "findListsPlaceholder": {
@@ -244,11 +244,11 @@
     "description": "Placeholder for the input field used to find lists"
   },
   "strictblockTitle": {
-    "message": "Page blocked",
+    "message": "Pagina bloccata",
     "description": "Webpage title for the strict-blocked page"
   },
   "strictblockSentence1": {
-    "message": "uBO Lite has prevented the following page from loading:",
+    "message": "uBO Lite ha impedito alla seguente pagina di caricarsi:",
     "description": "Sentence used in the strict-blocked page"
   },
   "strictblockReasonSentence1": {
@@ -260,23 +260,23 @@
     "description": "Text warning about an incoming redirect"
   },
   "strictblockNoParamsPrompt": {
-    "message": "without parameters",
+    "message": "senza parametri",
     "description": "Label to be used for the parameter-less URL"
   },
   "strictblockBack": {
-    "message": "Go back",
+    "message": "Torna indietro",
     "description": "A button to go back to the previous webpage"
   },
   "strictblockClose": {
-    "message": "Close this window",
+    "message": "Chiudi questa finestra",
     "description": "A button to close the current tab"
   },
   "strictblockDontWarn": {
-    "message": "Don't warn me again about this site",
+    "message": "Non avvisarmi di nuovo riguardo questo sito",
     "description": "Label for checkbox in document-blocked page"
   },
   "strictblockProceed": {
-    "message": "Proceed",
+    "message": "Procedi",
     "description": "A button to navigate to the blocked page"
   }
 }
diff --git a/src/_locales/br_FR/messages.json b/src/_locales/br_FR/messages.json
index abddf0af58f94..53d3ce41e38c9 100644
--- a/src/_locales/br_FR/messages.json
+++ b/src/_locales/br_FR/messages.json
@@ -1160,7 +1160,7 @@
     "description": "label to be used for the parameter-less URL: https://cloud.githubusercontent.com/assets/585534/9832014/bfb1b8f0-593b-11e5-8a27-fba472a5529a.png"
   },
   "docblockedFoundIn": {
-    "message": "Hag a vez kavet e-barzh:",
+    "message": "Hag a zo kavet e-barzh:",
     "description": "English: List of filter list names follows"
   },
   "docblockedBack": {