edited-ssh-keys-portal page

Author: Vamsi Kavuru

articles/virtual-machines/ssh-keys-portal.md

@@ -25,6 +25,9 @@ You can reuse your stored keys in various of applications to fit your organizati
 
 For more detailed information about creating and using SSH keys with Linux VMs, see [Use SSH keys to connect to Linux VMs](./linux/ssh-from-windows.md).
 
+> [!Note]
+> ED25519 SSH key support for Linux VMs is now in preview across Azure public cloud regions, with plans to expand to sovereign clouds shortly.
+
 ## Generate new keys
 
 1. Open the [Azure portal](https://portal.azure.com).