made some changes based on PR for at Azure/custom-script-extension-linux#160

Author: D1v38om83r

articles/virtual-machines/extensions/custom-script-linux.md

@@ -210,7 +210,7 @@ CustomScript uses the following algorithm to execute a script.
 
 ####  Property: managedIdentity
 
-CustomScript (version 2.1.2 onwards) supports [managed identity](https://docs.microsoft.com/azure/active-directory/managed-identities-azure-resources/overview) based RBAC for downloading file(s) from URLs provided in the "fileUris" setting. It allows CustomScript to  access Azure Storage private blobs/containers without the user having to pass secrets like SAS tokens or storage account keys.
+CustomScript (version 2.1.2 onwards) supports [managed identity](https://docs.microsoft.com/azure/active-directory/managed-identities-azure-resources/overview) for downloading file(s) from URLs provided in the "fileUris" setting. It allows CustomScript to access Azure Storage private blobs or containers without the user having to pass secrets like SAS tokens or storage account keys.
 
 To use this feature, the user must add a [system-assigned](https://docs.microsoft.com/azure/app-service/overview-managed-identity?tabs=dotnet#adding-a-system-assigned-identity) or [user-assigned](https://docs.microsoft.com/azure/app-service/overview-managed-identity?tabs=dotnet#adding-a-user-assigned-identity) identity to the VM or VMSS where CustomScript is expected to run, and [grant the managed identity access to the Azure Storage container or blob](https://docs.microsoft.com/azure/active-directory/managed-identities-azure-resources/tutorial-vm-windows-access-storage#grant-access).
 

articles/virtual-machines/extensions/custom-script-windows.md

@@ -144,7 +144,7 @@ Public settings are sent in clear text to the VM where the script will be execut
 
 ####  Property: managedIdentity
 
-CustomScript (version 1.10.4 onwards) supports [managed identity](https://docs.microsoft.com/azure/active-directory/managed-identities-azure-resources/overview) based RBAC for downloading file(s) from URLs provided in the "fileUris" setting. It allows CustomScript to  access Azure Storage private blobs/containers without the user having to pass secrets like SAS tokens or storage account keys.
+CustomScript (version 1.10 onwards) supports [managed identity](https://docs.microsoft.com/azure/active-directory/managed-identities-azure-resources/overview) for downloading file(s) from URLs provided in the "fileUris" setting. It allows CustomScript to access Azure Storage private blobs or containers without the user having to pass secrets like SAS tokens or storage account keys.
 
 To use this feature, the user must add a [system-assigned](https://docs.microsoft.com/azure/app-service/overview-managed-identity?tabs=dotnet#adding-a-system-assigned-identity) or [user-assigned](https://docs.microsoft.com/azure/app-service/overview-managed-identity?tabs=dotnet#adding-a-user-assigned-identity) identity to the VM or VMSS where CustomScript is expected to run, and [grant the managed identity access to the Azure Storage container or blob](https://docs.microsoft.com/azure/active-directory/managed-identities-azure-resources/tutorial-vm-windows-access-storage#grant-access).