diff --git a/components/browser/errorpages/src/main/res/values-cy/strings.xml b/components/browser/errorpages/src/main/res/values-cy/strings.xml
index c39fb213319..8f05c667d8b 100644
--- a/components/browser/errorpages/src/main/res/values-cy/strings.xml
+++ b/components/browser/errorpages/src/main/res/values-cy/strings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools" xmlns:moz="http://mozac.org/tools">
 
     <!-- The button that appears at the bottom of an error page. -->
     <string name="mozac_browser_errorpages_page_refresh">Ceisiwch Eto</string>
@@ -57,10 +57,15 @@
 
     <!-- The text shown inside the advanced button used to expand the advanced options. It's only shown when a website uses HSTS. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_advanced">Uwch…</string>
+
     <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
-    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo"><![CDATA[
+    <string moz:removedIn="104" name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo" tools:ignore="UnusedResources"><![CDATA[
         Mae gan <label> <b>%1$s</b> bolisi diogelwch o’r enw HTTP Strict Transport Security (HSTS), sy’n golygu mai dim ond yn ddiogel y gall <b>%2$s</b> gysylltu ag ef. Ni allwch ychwanegu eithriad i ymweld â’r wefan hon.
     ]]></string>
+    <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
+    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo2"><![CDATA[
+ Mae gan <label> <b>%1$s</b> bolisi diogelwch o’r enw HTTP Strict Transport Security (HSTS), sy’n golygu mai dim ond yn ddiogel y gall <b>%2$s</b> gysylltu ag ef. Ni allwch ychwanegu eithriad i ymweld â’r wefan hon. </label>
+]]></string>
     <!-- The text shown inside the advanced options button used to go back. It's only shown if the user has expanded the advanced options. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_back">Ewch Nôl</string>
 
diff --git a/components/browser/errorpages/src/main/res/values-es-rAR/strings.xml b/components/browser/errorpages/src/main/res/values-es-rAR/strings.xml
index bce0d941950..62286609fad 100644
--- a/components/browser/errorpages/src/main/res/values-es-rAR/strings.xml
+++ b/components/browser/errorpages/src/main/res/values-es-rAR/strings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools" xmlns:moz="http://mozac.org/tools">
 
     <!-- The button that appears at the bottom of an error page. -->
     <string name="mozac_browser_errorpages_page_refresh">Probar de nuevo</string>
@@ -56,10 +56,14 @@
 
     <!-- The text shown inside the advanced button used to expand the advanced options. It's only shown when a website uses HSTS. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_advanced">Avanzadas…</string>
+
     <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
-    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo"><![CDATA[
+    <string moz:removedIn="104" name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo" tools:ignore="UnusedResources"><![CDATA[
         <label> <b>%1$s</b> tiene una política de seguridad llamada HTTP Strict Transport Security (HSTS), lo que se traduce en que <b>%2$s</b> solo puede conectarse de forma segura. No podés añadir una excepción para visitar este sitio.
     ]]></string>
+    <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
+    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo2"><![CDATA[
+        <label> <b>%1$s</b> tiene una política de seguridad llamada HTTP Strict Transport Security (HSTS), lo que significa que <b>%2$s</b> solo puede conectarse de forma segura. No podés añadir una excepción para visitar este sitio.</label>]]></string>
     <!-- The text shown inside the advanced options button used to go back. It's only shown if the user has expanded the advanced options. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_back">Retroceder</string>
 
diff --git a/components/browser/errorpages/src/main/res/values-fy-rNL/strings.xml b/components/browser/errorpages/src/main/res/values-fy-rNL/strings.xml
index 7b3ef4bf521..45e2648ee45 100644
--- a/components/browser/errorpages/src/main/res/values-fy-rNL/strings.xml
+++ b/components/browser/errorpages/src/main/res/values-fy-rNL/strings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools" xmlns:moz="http://mozac.org/tools">
 
     <!-- The button that appears at the bottom of an error page. -->
     <string name="mozac_browser_errorpages_page_refresh">Opnij probearje</string>
@@ -72,10 +72,16 @@
 
     <!-- The text shown inside the advanced button used to expand the advanced options. It's only shown when a website uses HSTS. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_advanced">Avansearre…</string>
+
     <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
-    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo"><![CDATA[
+    <string moz:removedIn="104" name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo" tools:ignore="UnusedResources"><![CDATA[
         <label> <b>%1$s</b> hat in befeiligingsbelied mei de namme HTTP Strict Transport Security (HSTS), wat betsjut dat <b>%2$s</b> allinnich in befeilige ferbining dêrmei meitsje kin. Jo kinne gjin útsûndering tafoegje om dizze website te besykjen.
 
+    ]]></string>
+    <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
+    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo2"><![CDATA[
+        <label> <b>%1$s</b> hat in befeiligingsbelied mei de namme HTTP Strict Transport Security (HSTS), wat betsjut dat <b>%2$s</b> allinnich in befeilige ferbining dêrmei meitsje kin. Jo kinne gjin útsûndering tafoegje om dizze website te besykjen. </label>
+
     ]]></string>
     <!-- The text shown inside the advanced options button used to go back. It's only shown if the user has expanded the advanced options. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_back">Tebek</string>
diff --git a/components/browser/errorpages/src/main/res/values-is/strings.xml b/components/browser/errorpages/src/main/res/values-is/strings.xml
index d1e76258569..f9e8cebcaf1 100644
--- a/components/browser/errorpages/src/main/res/values-is/strings.xml
+++ b/components/browser/errorpages/src/main/res/values-is/strings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools" xmlns:moz="http://mozac.org/tools">
 
     <!-- The button that appears at the bottom of an error page. -->
     <string name="mozac_browser_errorpages_page_refresh">Reyndu aftur</string>
@@ -53,9 +53,13 @@
 
     <!-- The text shown inside the advanced button used to expand the advanced options. It's only shown when a website uses HSTS. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_advanced">Ítarlegt…</string>
+
     <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
-    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo"><![CDATA[
+    <string moz:removedIn="104" name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo" tools:ignore="UnusedResources"><![CDATA[
          · <label> <b>%1$s</b> er með öryggisstefnu sem kallast HTTP Strict Transport Security (HSTS), sem þýðir að <b>%2$s</b> getur aðeins tengst því á öruggan hátt. Þú getur ekki bætt við undantekningu til að heimsækja þetta vefsvæði.]]></string>
+    <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
+    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo2"><![CDATA[
+         · <label> <b>%1$s</b> er með öryggisstefnu sem kallast HTTP Strict Transport Security (HSTS), sem þýðir að <b>%2$s</b> getur aðeins tengst því á öruggan hátt. Þú getur ekki bætt við undantekningu til að heimsækja þetta vefsvæði.</label>]]></string>
     <!-- The text shown inside the advanced options button used to go back. It's only shown if the user has expanded the advanced options. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_back">Fara til baka</string>
 
diff --git a/components/browser/errorpages/src/main/res/values-nl/strings.xml b/components/browser/errorpages/src/main/res/values-nl/strings.xml
index aaace6e86c8..46e8fcffb06 100644
--- a/components/browser/errorpages/src/main/res/values-nl/strings.xml
+++ b/components/browser/errorpages/src/main/res/values-nl/strings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools" xmlns:moz="http://mozac.org/tools">
 
     <!-- The button that appears at the bottom of an error page. -->
     <string name="mozac_browser_errorpages_page_refresh">Opnieuw proberen</string>
@@ -61,10 +61,15 @@
 
     <!-- The text shown inside the advanced button used to expand the advanced options. It's only shown when a website uses HSTS. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_advanced">Geavanceerd…</string>
+
     <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
-    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo"><![CDATA[
+    <string moz:removedIn="104" name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo" tools:ignore="UnusedResources"><![CDATA[
         <label> <b>%1$s</b> heeft een beveiligingsbeleid genaamd HTTP Strict Transport Security (HSTS), wat betekent dat <b>%2$s</b> er alleen beveiligd mee kan verbinden. U kunt geen uitzondering toevoegen om deze website te bezoeken.
     ]]></string>
+    <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
+    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo2"><![CDATA[
+        <label> <b>%1$s</b> heeft een beveiligingsbeleid genaamd HTTP Strict Transport Security (HSTS), wat betekent dat <b>%2$s</b> er alleen beveiligd mee kan verbinden. U kunt geen uitzondering toevoegen om deze website te bezoeken. </label>
+    ]]></string>
     <!-- The text shown inside the advanced options button used to go back. It's only shown if the user has expanded the advanced options. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_back">Terug</string>
 
diff --git a/components/browser/errorpages/src/main/res/values-sv-rSE/strings.xml b/components/browser/errorpages/src/main/res/values-sv-rSE/strings.xml
index 21bc2e320af..ea2ba5ca45a 100644
--- a/components/browser/errorpages/src/main/res/values-sv-rSE/strings.xml
+++ b/components/browser/errorpages/src/main/res/values-sv-rSE/strings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools" xmlns:moz="http://mozac.org/tools">
 
     <!-- The button that appears at the bottom of an error page. -->
     <string name="mozac_browser_errorpages_page_refresh">Försök igen</string>
@@ -60,10 +60,14 @@
 
     <!-- The text shown inside the advanced button used to expand the advanced options. It's only shown when a website uses HSTS. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_advanced">Avancerat…</string>
+
     <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
-    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo"><![CDATA[
+    <string moz:removedIn="104" name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo" tools:ignore="UnusedResources"><![CDATA[
         <label> <b>%1$s</b> har en säkerhetspolicy som kallas HTTP Strict Transport Security (HSTS), vilket innebär att <b>%2$s</b> bara kan ansluta till den på ett säkert sätt. Du kan inte lägga till ett undantag för att besöka den här webbplatsen.
     ]]></string>
+    <!-- The advanced certificate information shown when a website uses HSTS. The %1$s will be replaced by the website URL and %2$s will be replaced by the app name. It's only shown when a website uses HSTS. -->
+    <string name="mozac_browser_errorpages_security_bad_hsts_cert_techInfo2"><![CDATA[
+    <label> <b>%1$s</b> har en säkerhetspolicy som kallas HTTP Strict Transport Security (HSTS), vilket innebär att <b>%2$s</b> bara kan ansluta till den på ett säkert sätt. Du kan inte lägga till ett undantag för att besöka den här webbplatsen.</label>]]></string>
     <!-- The text shown inside the advanced options button used to go back. It's only shown if the user has expanded the advanced options. -->
     <string name="mozac_browser_errorpages_security_bad_hsts_cert_back">Gå tillbaka</string>