Update troubleshoot-integration.md

Author: metmarkosaric

docs/troubleshoot-integration.md

@@ -95,9 +95,9 @@ If the verification tool has confirmed that the tracking is working fine, then y
 
 ## I don't see my own referral source
 
-All referral sources are counted only when they start a new session on your site. This is why you don't see all your own referral sources if you for instance click to test several different [UTM tagged links](top-referrers.md) at the same time. Only the first one appears in the "**Top Sources**" report. You would need to start a new session—such as by waiting 30 minutes or using a different device, browser, or IP address, to have the subsequent sources counted too.
+All referral sources are counted only when they start a new session on your site. This is why you don't see all your own referral sources if you for instance click to test several different UTM tagged links at the same time. Only the first one appears in the "**Top Sources**" report. You would need to start a new session (such as by waiting 30 minutes or using a different device, browser or IP address) to have the subsequent sources counted too.
 
-The fact that the referral sources are counted only when they start a new session on your site prevents external domains such as a payment gateway that the user is being taken through to show up in the referrers list. No need for you to manually exclude referrers.
+This same mechanism is what keeps payment gateways and other external domains out of your referral sources. [Learn more about how referral attribution works](top-referrers.md).
 
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