Update Discontinued Policies.md

PowerShell/ScubaGear/baselines/Discontinued Policies.md

@@ -56,7 +56,7 @@ MS.EXO.2.1v1
 A list of approved IP addresses for sending mail SHALL be maintained.
 - _Discontinue Date:_ May 2024
 - _Last used in Baseline:_ exo.md v1
-- _Discontinue Rationale:_ MS.EXO.2.1v1 is not a security configuration that can be audited and is part of the implementation of policy MS.EXO.2.2v1. Having the list of approved IPs will be added as a part of implementation of policy MS.EXO.2.2v1 and removed from the baseline.
+- _Discontinue Rationale:_ MS.EXO.2.1v1 is not a security configuration that can be audited and acts as a step in implementation of policy MS.EXO.2.2. Having the list of approved IPs will be added as a part of implementation of policy MS.EXO.2.2 and removed as a policy in the baseline.
 
 # Power BI