diff --git a/src/notification/bar.html b/src/notification/bar.html
index 5c82a4e4d36..5e8962c1a59 100644
--- a/src/notification/bar.html
+++ b/src/notification/bar.html
@@ -16,7 +16,7 @@
         <div id="content"></div>
         <div>
             <button type="button" class="neutral" id="close-button">
-                <img id="close" alt="X" />
+                <img id="close" alt="Close" />
             </button>
         </div>
     </div>
diff --git a/src/notification/bar.js b/src/notification/bar.js
index 318207de366..4cad508a057 100644
--- a/src/notification/bar.js
+++ b/src/notification/bar.js
@@ -26,6 +26,7 @@ document.addEventListener('DOMContentLoaded', () => {
             : chrome.runtime.getURL('images/icon38.png');
 
         document.getElementById('close').src = chrome.runtime.getURL('images/close.png');
+        document.getElementById('close').alt = i18n.close;
 
         var closeButton = document.getElementById('close-button'),
             body = document.querySelector('body'),