Merge pull request #5741 from segmentio/sarahrudy-patch-6

Add sentence about Set Configuration Fields

Author: forstisabella

src/connections/destinations/catalog/actions-google-analytics-4-web/index.md

@@ -82,10 +82,10 @@ Google may take [24-48 hours](https://support.google.com/analytics/answer/933379
 ### Data is not sent to Google
 
 In order for data to be sent downstream to Google Analytics, check your mappings to ensure that:
-1. The **setConfigurationFields** mapping is enabled in your mappings.
+1. The **Set Configuration Fields** mapping is enabled in your mappings.
 2. You've added at least one other event mapping for an event you want to send to Google Analytics.
 
-The **setConfigurationFields** mapping is required in order for data to be sent downstream. If no other mappings are enabled, the destination does not send events.
+The **Set Configuration Fields** mapping is required for data to be sent downstream because it sets configuration to Measurement ID and establishes data flow using the `config` command. If you have no enabled mappings other than **Set Configuration Fields**, the GA4 destination does not send events downstream. 
 
 ### Manually send `page_view` events