Merge pull request #4971 from segmentio/joeynmq-patch-2

Add note on Facebook Custom Audiences destination

Author: pwseg

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

@@ -15,7 +15,7 @@ This allows you to run advertising campaigns in Facebook without having to manua
 
 
 ## Other Facebook Destinations Supported by Segment
-This page is about the **Facebook Custom Audiences** destination developed specifically for use with **EngagePersonas**. For documentation on other Facebook destinations, see the pages linked below.
+This page is about the **Facebook Custom Audiences** destination developed specifically for use with [Engage](/docs/engage/). No other sources support this destination. For documentation on other Facebook destinations, see the pages linked below.
 
 | **Facebook Destination**                                                                                                      | Supported by Engage |
 | ----------------------------------------------------------------------------------------------------------------------------- | ------------------- |