Added Warning to Step 4

Added info to Step 4 about identify events not appearing in the Events tab of a user's profile in Unify

Author: MStephen024

src/unify/quickstart.md

@@ -65,6 +65,9 @@ A good test is to look at _your own_ user profile, and maybe some colleagues' pr
 
 If your user profiles look wrong, or you aren't confident users are being accurately defined and merged, stop here and troubleshoot. It's important to have accurate identity resolution before you continue. See the [detailed Identity Resolution documentation](/docs/unify/identity-resolution/) to better understand how it works, and why you may be running into problems. (Still need help? [Contact Segment](https://segment.com/help/contact/){:target="_blank"} for assistance.)
 
+> warning ""
+> **Note:**: The `identify` events triggered by a user will not appear in the **Events** tab of their profile, however, the traits from the `identify` event will still be assigned to the profile under the **Traits** tab.
+
 ## Step 5: Create your production space
 
 Once you validate that your data is flowing through Unify, you're ready to create a Production space. Segment recommends that you repeat the same steps outlined above, focusing on your production use cases and data sources.