diff --git a/mozilla-mobile/fenix/app/src/main/res/values/strings.xml b/mozilla-mobile/fenix/app/src/main/res/values/strings.xml
index e7edd48f11d..282a23a3e99 100644
--- a/mozilla-mobile/fenix/app/src/main/res/values/strings.xml
+++ b/mozilla-mobile/fenix/app/src/main/res/values/strings.xml
@@ -480,9 +480,9 @@
     <!-- Onboarding add-ons card, button for start browsing, used by Nimbus experiments. -->
     <string name="onboarding_add_on_start_browsing_button" tools:ignore="UnusedResources" moz:removedIn="133">Start browsing.</string>
     <!-- Onboarding add-ons card, for checking more add-ons on, used by Nimbus experiments. -->
-    <string name="onboarding_add_on_explore_more_extensions_2" tools:ignore="UnusedResources">Explore more extensions</string>
+    <string name="onboarding_add_on_explore_more_extensions_2">Explore more extensions</string>
     <!-- Onboarding add-ons card, button for start browsing, used by Nimbus experiments. -->
-    <string name="onboarding_add_on_start_browsing_button_2" tools:ignore="UnusedResources">Start browsing</string>
+    <string name="onboarding_add_on_start_browsing_button_2">Start browsing</string>
     <!-- Ublock name for the onboarding add-ons card, used by Nimbus experiments. Note: The word "Ublock Origin" is a brand name should NOT be translated -->
     <string name="onboarding_add_on_ublock_name" tools:ignore="UnusedResources">uBlock Origin</string>
     <!-- Ublock description for the onboarding add-ons card, used by Nimbus experiments. -->
@@ -499,6 +499,14 @@
     <string name="onboarding_add_on_dark_reader_name" tools:ignore="UnusedResources">Dark Reader</string>
     <!-- Privacy Badger description for the onboarding add-ons card, used by Nimbus experiments. -->
     <string name="onboarding_add_on_dark_reader_description" tools:ignore="UnusedResources">Custom dark mode for the mobile web.</string>
+    <!-- Label for the number of reviews for an add-on. The parameter is for the formatted number of reviews e.g. "1,234", "12,345", "123,456". -->
+    <string name="onboarding_add_on_reviews_label">Reviews: %1$s</string>
+    <!-- Content description for the add-on icon. -->
+    <string name="onboarding_add_on_icon_content_description">Add-on icon</string>
+    <!-- Content description for the add add-on button. -->
+    <string name="onboarding_add_on_add_button_content_description">Add add-on button</string>
+    <!-- Content description for the star rating group. -->
+    <string name="onboarding_add_on_star_rating_content_description">Rated %1$s out of 5</string>
 
     <!-- Search Widget -->
     <!-- Content description for searching with a widget. The first parameter is the name of the application.-->
@@ -1159,7 +1167,6 @@
     <!-- Text for the button to remove a single download item -->
     <string name="download_delete_item_1">Remove</string>
 
-
     <!-- Crashes -->
     <!-- Title text displayed on the tab crash page. This first parameter is the name of the application (For example: Fenix) -->
     <string name="tab_crash_title_2">Sorry. %1$s can’t load that page.</string>