Update migrate-data-striim.md

We are trying to get rid of references to PuTTY. I think this is a straightforward change, but if you want to mention PowerShell or Bash using WSL as options, I can update it to something with more details. Thanks!
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cc: @kanshiG

Author: cynthn

articles/cosmos-db/nosql/migrate-data-striim.md

@@ -74,7 +74,7 @@ In this section, you will configure the Azure Cosmos DB for NoSQL account as the
 
    :::image type="content" source="media/migrate-data-striim/get-ssh-url.png" alt-text="Get the SSH URL":::
 
-1. Open a new terminal window and run the SSH command you copied from the Azure portal. This article uses terminal in a MacOS, you can follow the similar instructions using PuTTY or a different SSH client on a Windows machine. When prompted, type **yes** to continue and enter the **password** you have set for the virtual machine in the previous step.
+1. Open a new terminal window and run the SSH command you copied from the Azure portal. This article uses terminal in a MacOS, you can follow the similar instructions using an SSH client on a Windows machine. When prompted, type **yes** to continue and enter the **password** you have set for the virtual machine in the previous step.
 
    :::image type="content" source="media/migrate-data-striim/striim-vm-connect.png" alt-text="Connect to Striim VM":::