Update README.md

Fix link.

README.md

@@ -6,7 +6,7 @@ Virtio-win guest tools installer is a msi (Microsoft installer) created with [Wi
 
 <u>Virtio-win drivers</u> - KVM/QEMUY windows guest drivers for both paravirtual and emulated hardware, more on [Github Repo](https://github.com/virtio-win/kvm-guest-drivers-windows).
 
-<u>Spice guest agent and driver</u> - Spice is an open remote computing solution, providing client access to remote machine display and devices, more info on the [Offical website](www.spice-space.org).
+<u>Spice guest agent and driver</u> - Spice is an open remote computing solution, providing client access to remote machine display and devices, more info on the [Offical website](https://www.spice-space.org).
 
 
 The installer is distributed as part of virtio-win package on [Fedora](https://fedorapeople.org/groups/virt/virtio-win/repo/rpms/).