diff --git a/doc/sphinx/arm/dhcp6-srv.rst b/doc/sphinx/arm/dhcp6-srv.rst
index 5d439fd530..1fcbbf4655 100644
--- a/doc/sphinx/arm/dhcp6-srv.rst
+++ b/doc/sphinx/arm/dhcp6-srv.rst
@@ -1983,7 +1983,7 @@ Vendor options in DHCPv6 are carried in the Vendor-Specific
 Information option (code 17). The idea behind option 17
 is that each vendor has its own unique set of options with their own custom
 formats. The vendor is identified by a 32-bit unsigned integer called
-`enterprise-number` or `vendor-id`.
+``enterprise-number`` or ``vendor-id``.
 
 The standard spaces defined in Kea and their options are: