diff --git a/app/templates/base.html b/app/templates/base.html
index efa6c7408..523a20c0a 100644
--- a/app/templates/base.html
+++ b/app/templates/base.html
@@ -82,7 +82,7 @@
 
       {% if current_user.is_authenticated %}
         {% block sessionUserWarning %}
-        <dialog class="usa-modal" id="sessionTimer" aria-labelledby="sessionTimerHeading" aria-describedby="timerWarning">
+        <dialog class="usa-modal" id="sessionTimer" aria-labelledby="sessionTimerHeading" aria-describedby="timeLeft" role="dialog">
           <div class="usa-modal__content">
             <div class="usa-modal__main">
               <h2 class="usa-modal__heading" id="sessionTimerHeading">