Apply suggestions from code review

Co-authored-by: stayseesong <83784848+stayseesong@users.noreply.github.com>

Author: markzegarelli

src/connections/destinations/actions.md

@@ -117,11 +117,10 @@ If necessary, click **New Mapping** to create a new, blank action.
 > info ""
 > The required fields for a destination mapping appear automatically. Click the + sign to see optional fields.
 
-### Coalesce Function
+### Coalesce function
 
-The coalesce function will take a primary value and use that one if it is available. In the case it is not, it will use the fallback value. 
+The coalesce function takes a primary value and uses it if it is available. If the value isn't available, the function uses the fallback value instead. 
 
-![coalesce](https://user-images.githubusercontent.com/78389005/213260648-a9eda0c8-fd88-4a0b-b4c6-682380ce2328.png)
 
 
 ### Conditions