Update event-driven-scaling.md

Author: nzthiago

articles/azure-functions/event-driven-scaling.md

@@ -56,7 +56,11 @@ You might decide to restrict the maximum number of instances an app can use for
 
 ### Flex Consumption plan 
 
-By default, apps running in a Flex Consumption plan have limit of `100` overall instances. Currently the lowest maximum instance count value is `40`, and the highest supported maximum instance count value is `1000`. When you use the [`az functionapp create`](/cli/azure/functionapp#az-functionapp-create) command to create a function app in the Flex Consumption plan, use the `--maximum-instance-count` parameter to set this maximum instance count for of your app. This example creates an app with a maximum instance count of `200`:
+By default, apps running in a Flex Consumption plan have limit of `100` overall instances. Currently the lowest maximum instance count value is `40`, and the highest supported maximum instance count value is `1000`. When you use the [`az functionapp create`](/cli/azure/functionapp#az-functionapp-create) command to create a function app in the Flex Consumption plan, use the `--maximum-instance-count` parameter to set this maximum instance count for of your app. 
+
+Note that while you can change the maximum instance count of Flex Consumption apps up to 1000, your apps will reach a quota limit before reaching that number. Review [Regional subscription memory quotas](flex-consumption-plan.md#regional-subscription-memory-quotas) for more details.
+
+This example creates an app with a maximum instance count of `200`:
 
 ```azurecli
 az functionapp create --resource-group <RESOURCE_GROUP> --name <APP_NAME> --storage <STORAGE_ACCOUNT_NAME> --runtime <LANGUAGE_RUNTIME> --runtime-version <RUNTIME_VERSION> --flexconsumption-location <REGION> --maximum-instance-count 200