Learn Editor: Update cost-usage.md

Author: DaleKoetke

articles/azure-monitor/cost-usage.md

@@ -102,11 +102,14 @@ There are several approaches to view the benefits a workspace receives from offe
 
 1. [Microsoft Sentinel benefit for Microsoft 365 E5, A5, F5, and G5 customers](https://azure.microsoft.com/offers/sentinel-microsoft-365-offer/).
 
+> [!NOTE]
+> To receive the Defender for Servers data allowance on your Log Analytics workspace, the **Security** solution must have been [created on the workspace](https://learn.microsoft.com/cli/azure/monitor/log-analytics/solution).
+
 ### View benefits in a usage export
 
 Since a usage export has both the number of units of usage and their cost, you can use this export to see the benefits you're receiving. In the usage export, to see the benefits, filter the *Instance ID* column to your workspace. (To select all of your workspaces in the spreadsheet, filter the *Instance ID* column to "contains /workspaces/".) Then filter on the Meter to either of the following 2 meters:
 
-- **Standard Data Included per Node**: this meter is under the service "Insight and Analytics" and tracks the benefits received when a workspace in either in Log Analytics [Per Node tier](logs/cost-logs.md#per-node-pricing-tier) data allowance and/or has [Defender for Servers](logs/cost-logs.md#workspaces-with-microsoft-defender-for-cloud) enabled. Each of these allowances provide a 500 MB/server/day data allowance.
+- **Standard Data Included per Node**: this meter is under the service "Insight and Analytics" and tracks the benefits received when a workspace in either in Log Analytics [Per Node tier](logs/cost-logs.md#per-node-pricing-tier) data allowance and/or has [Defender for Servers](logs/cost-logs.md#workspaces-with-microsoft-defender-for-cloud) enabled. Each of these allowances provide a 500 MB/server/day data allowance. 
 
 - **Free Benefit - M365 Defender Data Ingestion**: this meter, under the service "Azure Monitor", tracks the benefit from the [Microsoft Sentinel benefit for Microsoft 365 E5, A5, F5, and G5 customers](https://azure.microsoft.com/offers/sentinel-microsoft-365-offer/).