Update samples-by-category.md

Author: kenieva

articles/governance/resource-graph/samples/samples-by-category.md

@@ -127,7 +127,7 @@ Otherwise, use <kbd>Ctrl</kbd>-<kbd>F</kbd> to use your browser's search feature
 
 ## Service Groups 
 
-[! INCLUDE [azure-resource-graph-samples-service-groups](../includes/samples-by-category/service-groups.md)]
+[!INCLUDE [azure-resource-graph-cat-service-groups](../includes/samples-by-category/service-groups.md)]
 
 ## Tags