Update insert-functions.md - faq (can i connect multiple functions to one destination)

Author: samkcrespo

src/connections/functions/insert-functions.md

@@ -506,7 +506,11 @@ Insert Functions are only supported by Cloud Mode (server-side) destinations and
 
 ##### Can I connect an insert function to multiple destinations?
 
-Yes, an insert function can be connected to multiple destinations. 
+Yes, an insert function can be connected to multiple destinations.
+
+##### Can I connect multiple insert functions to one destination?
+
+No, a destination can have only one insert function connected to it at any given time.
 
 ##### Can I have destination filters and a destination insert function in the same connection?