Use y/Y (#230)

Signed-off-by: Christian Berendt <berendt@osism.tech>

Author: berendt

docs/guides/configuration-guide/openstack/nova.md

@@ -9,21 +9,21 @@ sidebar_label: Nova
 ### AMD
 
 ```
-echo "options kvm-amd nested=1" | sudo tee /etc/modprobe.d/kvm-nested-virtualization.conf
+echo "options kvm-amd nested=y" | sudo tee /etc/modprobe.d/kvm-nested-virtualization.conf
 sudo modprobe -r kvm_amd
 sudo modprobe kvm_amd
 cat /sys/module/kvm_amd/parameters/nested
-1
+Y
 docker restart nova_libvirt
 ```
 
 ### Intel
 
 ```
-echo "options kvm-intel nested=1" | sudo tee /etc/modprobe.d/kvm-nested-virtualization.conf
+echo "options kvm-intel nested=y" | sudo tee /etc/modprobe.d/kvm-nested-virtualization.conf
 sudo modprobe -r kvm_intel
 sudo modprobe kvm_intel
 cat /sys/module/kvm_intel/parameters/nested
-1
+Y
 docker restart nova_libvirt
 ```