Update ChangeLog.md

Author: bashahee

src/ResourceManager/Sql/Commands.Sql/ChangeLog.md

@@ -19,6 +19,7 @@
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 ## Current Release
 * Fixed issue with using Get-AzureRmSqlDatabaseVulnerabilityAssessment with DotNet core
+* Modified documentation of help messages related to SQL Auditing cmdlets.
 
 ## Version 4.12.0
 * Added new cmdlets for CRUD operations on Azure Sql Database Managed Instance and Azure Sql Managed Database