diff --git a/doc/developer-guides/hld/hld-devicemodel.rst b/doc/developer-guides/hld/hld-devicemodel.rst
index a7a651193..f002f865d 100644
--- a/doc/developer-guides/hld/hld-devicemodel.rst
+++ b/doc/developer-guides/hld/hld-devicemodel.rst
@@ -191,7 +191,7 @@ s, pci_slot <slot_config>
 
    - ``slot`` is 0..31
    - ``func`` is 0..7
-   - emul is a string describing the type of PCI device e.g. virtio-net
+   - ``emul`` is a string describing the type of PCI device e.g. virtio-net
    - config is an optional device-dependent string, used for
      configuration.