clarification

Author: bwren

articles/azure-monitor/platform/diagnostic-settings-legacy.md

@@ -35,7 +35,7 @@ Consider the following details of Activity log collection using diagnostic setti
 ### Differences in data
 Diagnostic settings collect the same data as the previous methods used to collect the Activity log with the following current differences:
 
-The following columns have been removed. The replacement for these columns are in a different format, so you may need to modify log queries that use them:
+The following columns have been removed. The replacement for these columns are in a different format, so you may need to modify log queries that use them. You may still see removed columns in the schema, but they won't be populated with data.
 
 | Removed column | Replacement column |
 |:---|:---|