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common/lib/xmodule/xmodule/templates/problem/jsinput_response.yaml

@@ -161,7 +161,7 @@ data: |
       }
       </script>
         <p>What is the range of passengers that can fit on a 747 aircraft? Set the low and high bounds. (416 and 660 persons)</p>
-        <p class="sr" aria-hidden="true">
+        <p class="is-hidden" aria-hidden="true">
           <span id="lowerlimit">$lowerlimit</span>
           <span id="upperlimit">$upperlimit</span>
           <span id="openclose">$show_open_close</span>