Fix more validation errors

Author: timwarner-msft

articles/governance/resource-graph/overview.md

@@ -58,7 +58,7 @@ With Azure Resource Graph, you can:
 > [!NOTE]
 > As a _preview_ feature, some `type` objects have additional non-Resource Manager properties
 > available. For more information, see
-> [Extended properties (preview)](./concepts/query-language.md#extended-properties-preview).
+> [Extended properties](./concepts/query-language.md#extended-properties).
 
 ## How Resource Graph is kept current
 

articles/governance/resource-graph/samples/advanced.md

@@ -603,7 +603,7 @@ Search-AzGraph -Query "Resources | where type =~ 'microsoft.network/networkinter
 
 ## <a name="vm-powerstate"></a>Summarize virtual machine by the power states extended property
 
-This query uses the [extended properties](../concepts/query-language.md#extended-properties-preview) on
+This query uses the [extended properties](../concepts/query-language.md#extended-properties) on
 virtual machines to summarize by power states.
 
 ```kusto