diff --git a/app/templates/base.html b/app/templates/base.html
index efa6c7408..c535fafe2 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">
           <div class="usa-modal__content">
             <div class="usa-modal__main">
               <h2 class="usa-modal__heading" id="sessionTimerHeading">
diff --git a/tests/javascripts/timeoutPopup.test.js b/tests/javascripts/timeoutPopup.test.js
index afc8a2687..8d615105e 100644
--- a/tests/javascripts/timeoutPopup.test.js
+++ b/tests/javascripts/timeoutPopup.test.js
@@ -2,7 +2,7 @@ beforeAll(() => {
     jest.spyOn(global, 'setTimeout');
 
     document.body.innerHTML = `
-        <dialog class="usa-modal" id="sessionTimer" aria-labelledby="sessionTimerHeading" aria-describedby="timerWarning">
+        <dialog class="usa-modal" id="sessionTimer" aria-labelledby="sessionTimerHeading" aria-describedby="timeLeft">
             <div class="usa-modal__content">
                 <div class="usa-modal__main">
                 <h2 class="usa-modal__heading" id="sessionTimerHeading">