Update rbac-guide.md

Author: AleksandrStarovoitov

articles/key-vault/general/rbac-guide.md

@@ -16,7 +16,7 @@ ms.custom: "devx-track-azurepowershell, devx-track-azurecli"
 > Key Vault resource provider supports two resource types: **vaults** and **managed HSMs**. Access control described in this article only applies to **vaults**. To learn more about access control for managed HSM, see [Managed HSM access control](../managed-hsm/access-control.md).
 
 > [!NOTE]
->  Azure App Service certificate configuration through Azure Portal does not support Key Vault RBAC permission model, but you can use Azure PowerShell, Azure CLI, ARM template deployments. App Service certtifate management requires **Key Vault Secrets User** and **Key Vault Reader** role assignments for App Service global identity, for example Microsoft Azure App Service' in public cloud.
+>  Azure App Service certificate configuration through Azure Portal does not support Key Vault RBAC permission model, but you can use Azure PowerShell, Azure CLI, ARM template deployments. App Service certificate management requires **Key Vault Secrets User** and **Key Vault Reader** role assignments for App Service global identity, for example Microsoft Azure App Service' in public cloud.
 
 Azure role-based access control (Azure RBAC) is an authorization system built on [Azure Resource Manager](../../azure-resource-manager/management/overview.md) that provides fine-grained access management of Azure resources.