diff --git a/Installation_Linux/Rocky/Virtualisation b/Installation_Linux/Rocky/Virtualisation
index 50bbdcc..b2774a6 100644
--- a/Installation_Linux/Rocky/Virtualisation
+++ b/Installation_Linux/Rocky/Virtualisation
@@ -3,7 +3,7 @@
 #########
 sudo yum install virt-manager -y
 sudo usermod -aG libvirt tb 
-d tb | grep libvirt
+sudo id tb | grep libvirt
 sudo systemctl start libvirtd
 sudo systemctl enable libvirtd
 sudo systemctl enable virtnetworkd.service