Note to add destinations in Engage (#4661)

* Note to add destinations in Engage

Many clients are confused when adding this Engage destination as they add them through connections instead of inside the Engage space

* Update src/connections/destinations/catalog/personas-facebook-custom-audiences/index.md

---------

Co-authored-by: markzegarelli <[email protected]>

Author: estgc

src/connections/destinations/catalog/personas-facebook-custom-audiences/index.md

@@ -74,11 +74,14 @@ Facebook offers the Facebook Pixel, which allows you to retarget these types of
 
 ### 1. Authorize Facebook Custom Audiences
 
-- Go to your Space in your Segment Workspace.
-- Go to the Destinations tab and click “Add Destination”.
+- Go to your Space in your Segment Workspace and click Engage Settings.
+- Go to the Destinations tab and click “Add Destination”. 
 - Select the Facebook Custom Audiences option, and click **Configure Facebook Custom Audiences**.
 - Authorize Facebook Ads and select a Facebook account ID to sync to.
 
+> info ""
+> Add the destination within the Engage space and not through the connections pipeline to ensure proper configuration.
+
 ### 2. Create an audience in Engage & connect to Facebook
 
 - Go to the Audience Builder in Engage and create a new Audience with your desired event and trait criteria.