diff --git a/x-pack/legacy/plugins/siem/public/components/timeline/body/helpers.test.ts b/x-pack/legacy/plugins/siem/public/components/timeline/body/helpers.test.ts
index 83099c68e4ca9..602b88b7ae6d6 100644
--- a/x-pack/legacy/plugins/siem/public/components/timeline/body/helpers.test.ts
+++ b/x-pack/legacy/plugins/siem/public/components/timeline/body/helpers.test.ts
@@ -203,28 +203,22 @@ describe('helpers', () => {
   });
 
   describe('getPinTooltip', () => {
-    test('it informs the user the event may not be unpinned when the event is pinned and has notes', () => {
+    test('it indicates the event may NOT be unpinned when `isPinned` is `true` and the event has notes', () => {
       expect(getPinTooltip({ isPinned: true, eventHasNotes: true })).toEqual(
         'This event cannot be unpinned because it has notes'
       );
     });
 
-    test('it tells the user the event is persisted when the event is pinned, but has no notes', () => {
-      expect(getPinTooltip({ isPinned: true, eventHasNotes: false })).toEqual(
-        'This event is persisted with the timeline'
-      );
+    test('it indicates the event is pinned when `isPinned` is `true` and the event does NOT have notes', () => {
+      expect(getPinTooltip({ isPinned: true, eventHasNotes: false })).toEqual('Pinned event');
     });
 
-    test('it tells the user the event is NOT persisted when the event is not pinned, but it has notes', () => {
-      expect(getPinTooltip({ isPinned: false, eventHasNotes: true })).toEqual(
-        'This is event is NOT persisted with the timeline'
-      );
+    test('it indicates the event is NOT pinned when `isPinned` is `false` and the event has notes', () => {
+      expect(getPinTooltip({ isPinned: false, eventHasNotes: true })).toEqual('Unpinned event');
     });
 
-    test('it tells the user the event is NOT persisted when the event is not pinned, and has no notes', () => {
-      expect(getPinTooltip({ isPinned: false, eventHasNotes: false })).toEqual(
-        'This is event is NOT persisted with the timeline'
-      );
+    test('it indicates the event is NOT pinned when `isPinned` is `false` and the event does NOT have notes', () => {
+      expect(getPinTooltip({ isPinned: false, eventHasNotes: false })).toEqual('Unpinned event');
     });
   });
 
diff --git a/x-pack/legacy/plugins/siem/public/components/timeline/body/translations.ts b/x-pack/legacy/plugins/siem/public/components/timeline/body/translations.ts
index 40e94cb099644..03efc26bbc9b1 100644
--- a/x-pack/legacy/plugins/siem/public/components/timeline/body/translations.ts
+++ b/x-pack/legacy/plugins/siem/public/components/timeline/body/translations.ts
@@ -21,11 +21,11 @@ export const COPY_TO_CLIPBOARD = i18n.translate(
 );
 
 export const UNPINNED = i18n.translate('xpack.siem.timeline.body.pinning.unpinnedTooltip', {
-  defaultMessage: 'This is event is NOT persisted with the timeline',
+  defaultMessage: 'Unpinned event',
 });
 
 export const PINNED = i18n.translate('xpack.siem.timeline.body.pinning.pinnedTooltip', {
-  defaultMessage: 'This event is persisted with the timeline',
+  defaultMessage: 'Pinned event',
 });
 
 export const PINNED_WITH_NOTES = i18n.translate(