diff --git a/lib/libutil/kinfo_getfile.3 b/lib/libutil/kinfo_getfile.3
index dfbec0bcb224..5705bf774d68 100644
--- a/lib/libutil/kinfo_getfile.3
+++ b/lib/libutil/kinfo_getfile.3
@@ -35,7 +35,6 @@
 .Lb libutil
 .Sh SYNOPSIS
 .In sys/types.h
-.In sys/user.h
 .In libutil.h
 .Ft struct kinfo_file *
 .Fn kinfo_getfile "pid_t pid" "int *cntp"
@@ -63,7 +62,8 @@ On success the
 .Fn kinfo_getfile
 function returns a pointer to an array of
 .Vt struct kinfo_file
-structures.
+structures as defined by
+.In sys/user.h .
 The array was obtained by an internal call to
 .Xr malloc 3
 and must be freed by the caller with a call to
diff --git a/lib/libutil/kinfo_getvmmap.3 b/lib/libutil/kinfo_getvmmap.3
index d917fe8ea0b6..488869a3f2cf 100644
--- a/lib/libutil/kinfo_getvmmap.3
+++ b/lib/libutil/kinfo_getvmmap.3
@@ -35,7 +35,6 @@
 .Lb libutil
 .Sh SYNOPSIS
 .In sys/types.h
-.In sys/user.h
 .In libutil.h
 .Ft struct kinfo_vmentry *
 .Fn kinfo_getfile "pid_t pid" "int *cntp"
@@ -63,7 +62,8 @@ On success the
 .Fn kinfo_getvmmap
 function returns a pointer to an array of
 .Vt struct kinfo_vmentry
-structures.
+structures as defined by
+.In sys/user.h .
 The array was obtained by an internal call to
 .Xr malloc 3
 and must be freed by the caller with a call to