diff --git a/eventarc/audit-storage/app.js b/eventarc/audit-storage/app.js
index 358ed371e8..d824472971 100644
--- a/eventarc/audit-storage/app.js
+++ b/eventarc/audit-storage/app.js
@@ -22,8 +22,8 @@ app.post('/', (req, res) => {
     return res.status(400).send('Bad Request: missing required header: ce-subject');
   }
 
-  console.log(`GCS CloudEvent type: ${req.header('ce-subject')}`);
-  return res.status(200).send(`GCS CloudEvent type: ${req.header('ce-subject')}`);
+  console.log(`Detected change in GCS bucket: ${req.header('ce-subject')}`);
+  return res.status(200).send(`Detected change in GCS bucket: ${req.header('ce-subject')}`);
 });
 
 module.exports = app;
diff --git a/eventarc/audit-storage/test/app.test.js b/eventarc/audit-storage/test/app.test.js
index 9215706f59..9da7046c57 100644
--- a/eventarc/audit-storage/test/app.test.js
+++ b/eventarc/audit-storage/test/app.test.js
@@ -53,7 +53,7 @@ describe('Unit Tests', () => {
         .set('ce-subject', 'test-subject')
         .send()
         .expect(200)
-        .expect(() => assert.ok(console.log.calledWith('GCS CloudEvent type: test-subject')));
+        .expect(() => assert.ok(console.log.calledWith('Detected change in GCS bucket: test-subject')));
     });
   });
 });