diff --git a/src/components/Modal/Modal-story.js b/src/components/Modal/Modal-story.js
index e9b402d78a51..4550fbd45fb9 100644
--- a/src/components/Modal/Modal-story.js
+++ b/src/components/Modal/Modal-story.js
@@ -23,7 +23,10 @@ const props = () => ({
   ),
   modalHeading: text('Modal heading (modalHeading)', 'Modal heading'),
   modalLabel: text('Optional label (modalLabel)', 'Label'),
-  modalAriaLabel: text('ARIA label (modalAriaLabel)', ''),
+  modalAriaLabel: text(
+    'ARIA label (modalAriaLabel)',
+    'A label to be read by screen readers on the modal root node'
+  ),
   primaryButtonText: text(
     'Primary button text (primaryButtonText)',
     'Primary Button'