diff --git a/contrib/mandoc/mdoc.7 b/contrib/mandoc/mdoc.7
--- a/contrib/mandoc/mdoc.7
+++ b/contrib/mandoc/mdoc.7
@@ -1183,11 +1183,13 @@
 .It Ic \&Cd Ar line
 Kernel configuration declaration.
 This denotes strings accepted by
-.Xr config 8 .
+.Xr config 8 ,
+or other configuration syntax.
 It is most often used in section 4 manual pages.
 .Pp
 Examples:
 .Dl \&.Cd device le0 at scode?
+.Dl \&.Cd kern.vty=vt
 .Pp
 .Em Remarks :
 this macro is commonly abused by using quoted literals to retain