diff --git a/platform/mv3/extension/popup.html b/platform/mv3/extension/popup.html
index d592f2e08..eb4ecb4a8 100644
--- a/platform/mv3/extension/popup.html
+++ b/platform/mv3/extension/popup.html
@@ -53,10 +53,10 @@
     <hr>
     <div id="moreOrLess" class="">
         <span id="moreButton">
-            <span>More</span>&emsp;<span class="fa-icon">angle-up</span>
+            <span data-i18n="popupMoreButton">_</span>&emsp;<span class="fa-icon">angle-up</span>
         </span>
         <span id="lessButton">
-            <span class="fa-icon">angle-up</span>&emsp;<span>Less</span>
+            <span class="fa-icon">angle-up</span>&emsp;<span data-i18n="popupLessButton">_</span>
         </span>
     </div>
 </div>