diff --git a/x-pack/platform/plugins/shared/streams_app/public/components/sig_events/significant_events_discovery/components/insights/summary.tsx b/x-pack/platform/plugins/shared/streams_app/public/components/sig_events/significant_events_discovery/components/insights/summary.tsx
index 183e6dcba74f0..5c92d3f61236e 100644
--- a/x-pack/platform/plugins/shared/streams_app/public/components/sig_events/significant_events_discovery/components/insights/summary.tsx
+++ b/x-pack/platform/plugins/shared/streams_app/public/components/sig_events/significant_events_discovery/components/insights/summary.tsx
@@ -244,6 +244,9 @@ export function Summary({ count }: { count: number }) {
           </EuiFlexItem>
           <EuiFlexItem grow={false}>
             <EuiBasicTable
+              tableCaption={i18n.translate('xpack.streams.insights.tableCaption', {
+                defaultMessage: 'Significant events insights',
+              })}
               data-test-subj="streamsInsightsTable"
               columns={columns}
               items={insights}