diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 68aa5db1b0..d6cb5c7541 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -14,7 +14,7 @@
     <!-- Placeholder text shown in the search bar before a user enters text -->
     <string name="search_hint">Pesquise ou digite um endereço</string>
     <!-- No Open Tabs Message Description -->
-    <string name="no_open_tabs_description">Suas abas abertas serão mostradas aqui.</string>
+    <string name="no_open_tabs_description">Suas abas abertas são mostradas aqui.</string>
 
     <!-- No Private Tabs Message Description -->
     <string name="no_private_tabs_description">Suas abas privativas são mostradas aqui.</string>
@@ -181,6 +181,8 @@
     <!-- Browser menu button to configure reader mode appearance e.g. the used font type and size -->
     <string name="browser_menu_read_appearance">Aparência</string>
 
+    <!-- Browser menu button to show reader view appearance controls e.g. the used font type and size -->
+    <string name="browser_menu_customize_reader_view">Personalizar leitor</string>
     <!-- Error message to show when the user tries to access a scheme not
         handled by the app (Ex: blob, tel etc) -->
     <string name="unknown_scheme_error_message">Não foi possível conectar. Esquema de URL não reconhecível.</string>
@@ -1054,7 +1056,7 @@
     <!-- Tab collection deletion prompt dialog message. Placeholder will be replaced with the collection name -->
     <string name="tab_collection_dialog_message">Tem certeza que quer excluir %1$s?</string>
     <!-- Collection and tab deletion prompt dialog message. This will show when the last tab from a collection is deleted -->
-    <string name="delete_tab_and_collection_dialog_message">Excluir esta aba também excluirá toda a coleção. Você pode criar novas coleções quando quiser.</string>
+    <string name="delete_tab_and_collection_dialog_message">Excluir esta aba também exclui toda a coleção. Você pode criar novas coleções quando quiser.</string>
     <!-- Collection and tab deletion prompt dialog title. Placeholder will be replaced with the collection name. This will show when the last tab from a collection is deleted -->
     <string name="delete_tab_and_collection_dialog_title">Excluir %1$s?</string>
     <!-- Tab collection deletion prompt dialog option to delete the collection -->
@@ -1200,7 +1202,7 @@
     The first parameter is the name of the app (e.g. Firefox Preview) -->
     <string name="onboarding_tracking_protection_description_2">As configurações de privacidade e segurança bloqueiam rastreadores, código malicioso (malware) e empresas que seguem você.</string>
     <!-- text for tracking protection radio button option for standard level of blocking -->
-    <string name="onboarding_tracking_protection_standard_button_2">Padrão (predefinido)</string>
+    <string name="onboarding_tracking_protection_standard_button_2">Normal (padrão)</string>
     <!-- text for standard blocking option button description -->
     <string name="onboarding_tracking_protection_standard_button_description_2">Bloqueia menos rastreadores. As páginas são carregadas normalmente.</string>
     <!-- text for tracking protection radio button option for strict level of blocking -->
@@ -1300,11 +1302,11 @@
     <string name="preference_enhanced_tracking_protection_explanation_learn_more">Saiba mais</string>
 
     <!-- Preference for enhanced tracking protection for the standard protection settings -->
-    <string name="preference_enhanced_tracking_protection_standard_default_1">Padrão (predefinido)</string>
+    <string name="preference_enhanced_tracking_protection_standard_default_1">Normal (padrão)</string>
     <!-- Preference description for enhanced tracking protection for the standard protection settings -->
     <string name="preference_enhanced_tracking_protection_standard_description_3">Bloqueia menos rastreadores. As páginas são carregadas normalmente.</string>
     <!--  Accessibility text for the Standard protection information icon  -->
-    <string name="preference_enhanced_tracking_protection_standard_info_button">O que é bloqueado pela proteção padrão contra rastreamento</string>
+    <string name="preference_enhanced_tracking_protection_standard_info_button">O que é bloqueado pela proteção normal contra rastreamento</string>
     <!-- Preference for enhanced tracking protection for the strict protection settings -->
     <string name="preference_enhanced_tracking_protection_strict">Rigoroso</string>
     <!-- Preference description for enhanced tracking protection for the strict protection settings -->