diff --git a/doc/tutorials/acrn_on_qemu.rst b/doc/tutorials/acrn_on_qemu.rst
index 7998f985a..cd76aba58 100644
--- a/doc/tutorials/acrn_on_qemu.rst
+++ b/doc/tutorials/acrn_on_qemu.rst
@@ -46,7 +46,7 @@ Prepare Service VM (L1 Guest)
 
    .. code-block:: none
 
-      virt-install \
+      $ virt-install \
       --connect qemu:///system \
       --name ACRNSOS \
       --machine q35 \