diff --git a/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_action_status.test.tsx b/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_action_status.test.tsx
index a2e9c7c7c55fa..d8c320a3c101c 100644
--- a/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_action_status.test.tsx
+++ b/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_action_status.test.tsx
@@ -82,7 +82,23 @@ describe('useActionStatus', () => {
     });
     expect(mockSendPostCancelAction).toHaveBeenCalledWith('action1');
     expect(mockOnAbortSuccess).toHaveBeenCalled();
-    expect(mockOpenConfirm).toHaveBeenCalledWith('This action will abort upgrade of 1 agents', {
+    expect(mockOpenConfirm).toHaveBeenCalledWith('This action will abort upgrade of 1 agent', {
+      title: 'Abort upgrade?',
+    });
+  });
+
+  it('should post abort and invoke callback on abort upgrade - plural', async () => {
+    mockSendPostCancelAction.mockResolvedValue({});
+    let result: any | undefined;
+    await act(async () => {
+      ({ result } = renderHook(() => useActionStatus(mockOnAbortSuccess, false)));
+    });
+    await act(async () => {
+      await result.current.abortUpgrade({ ...mockActionStatuses[0], nbAgentsAck: 0 });
+    });
+    expect(mockSendPostCancelAction).toHaveBeenCalledWith('action1');
+    expect(mockOnAbortSuccess).toHaveBeenCalled();
+    expect(mockOpenConfirm).toHaveBeenCalledWith('This action will abort upgrade of 2 agents', {
       title: 'Abort upgrade?',
     });
   });
diff --git a/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_action_status.tsx b/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_action_status.tsx
index bc8e20b17ee00..3a6e1b2e54292 100644
--- a/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_action_status.tsx
+++ b/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_action_status.tsx
@@ -54,7 +54,8 @@ export function useActionStatus(onAbortSuccess: () => void, refreshAgentActivity
       try {
         const confirmRes = await overlays.openConfirm(
           i18n.translate('xpack.fleet.currentUpgrade.confirmDescription', {
-            defaultMessage: 'This action will abort upgrade of {nbAgents} agents',
+            defaultMessage:
+              'This action will abort upgrade of {nbAgents, plural, one {# agent} other {# agents}}',
             values: {
               nbAgents: action.nbAgentsActioned - action.nbAgentsAck,
             },
diff --git a/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_update_tags.test.tsx b/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_update_tags.test.tsx
index d5d72c3deaeeb..89059d5a17971 100644
--- a/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_update_tags.test.tsx
+++ b/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_update_tags.test.tsx
@@ -45,7 +45,7 @@ describe('useUpdateTags', () => {
     await act(() => result.current.updateTags('agent1', ['tag1'], mockOnSuccess));
     expect(mockOnSuccess).toHaveBeenCalled();
     expect(useStartServices().notifications.toasts.addSuccess as jest.Mock).toHaveBeenCalledWith(
-      'Tags updated'
+      'Tag(s) updated'
     );
   });
 
@@ -57,7 +57,7 @@ describe('useUpdateTags', () => {
     expect(mockOnSuccess).not.toHaveBeenCalled();
     expect(useStartServices().notifications.toasts.addError as jest.Mock).toHaveBeenCalledWith(
       'error',
-      { title: 'Tags update failed' }
+      { title: 'Tag(s) update failed' }
     );
   });
 
@@ -68,7 +68,7 @@ describe('useUpdateTags', () => {
     await act(() => result.current.bulkUpdateTags('query', ['tag1'], [], mockOnSuccess));
     expect(mockOnSuccess).toHaveBeenCalled();
     expect(useStartServices().notifications.toasts.addSuccess as jest.Mock).toHaveBeenCalledWith(
-      'Tags updated'
+      'Tag(s) updated'
     );
   });
 
@@ -80,7 +80,7 @@ describe('useUpdateTags', () => {
     expect(mockOnSuccess).not.toHaveBeenCalled();
     expect(useStartServices().notifications.toasts.addError as jest.Mock).toHaveBeenCalledWith(
       'error',
-      { title: 'Tags update failed' }
+      { title: 'Tag(s) update failed' }
     );
   });
 });
diff --git a/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_update_tags.tsx b/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_update_tags.tsx
index 969b9caa4d02f..96e619db12f09 100644
--- a/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_update_tags.tsx
+++ b/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/hooks/use_update_tags.tsx
@@ -34,7 +34,7 @@ export const useUpdateTags = () => {
         const message =
           successMessage ??
           i18n.translate('xpack.fleet.updateAgentTags.successNotificationTitle', {
-            defaultMessage: 'Tags updated',
+            defaultMessage: 'Tag(s) updated',
           });
         notifications.toasts.addSuccess(message);
 
@@ -43,7 +43,7 @@ export const useUpdateTags = () => {
         const errorTitle =
           errorMessage ??
           i18n.translate('xpack.fleet.updateAgentTags.errorNotificationTitle', {
-            defaultMessage: 'Tags update failed',
+            defaultMessage: 'Tag(s) update failed',
           });
         notifications.toasts.addError(error, { title: errorTitle });
       }