Update alerts-common-schema-test-action-definitions.md

Author: jacegummersall

articles/azure-monitor/alerts/alerts-common-schema-test-action-definitions.md

@@ -740,7 +740,7 @@ You can also use `LinkToFilteredSearchResultsAPI` or `LinkToSearchResultsAPI` to
             "BudgetName": "Test_actual_cost_budget",
             "BudgetId": "/subscriptions/11111111-1111-1111-1111-111111111111/providers/Microsoft.Consumption/budgets/Test_actual_cost_budget",
             "BudgetStartDate": "2022-11-01",
-            "BudgetCreator": [email protected],
+            "BudgetCreator": "[email protected]",
             "Unit": "USD",
             "SpentAmount": "$11,111.00"
          }
@@ -781,7 +781,7 @@ You can also use `LinkToFilteredSearchResultsAPI` or `LinkToSearchResultsAPI` to
             "BudgetName": "Test_forcasted_budget",
             "BudgetId": "/subscriptions/11111111-1111-1111-1111-111111111111/providers/Microsoft.Consumption/budgets/Test_forcasted_budget",
             "BudgetStartDate": "2022-11-01",
-            "BudgetCreator": [email protected],
+            "BudgetCreator": "[email protected]",
             "Unit": "USD",
             "SpentAmount": "$999.99",
             "ForecastedTotalForPeriod": "$1111.11"