diff --git a/share/man/man7/mdoc.samples.7 b/share/man/man7/mdoc.samples.7
index a379f1494a1d..42f7be3979b0 100644
--- a/share/man/man7/mdoc.samples.7
+++ b/share/man/man7/mdoc.samples.7
@@ -1273,6 +1273,8 @@ macro and its results are:
 .Lb libposix1e
 .It Li "libskey"
 .Lb libskey
+.It Li "libusb"
+.Lb libusb
 .It Li "libutil"
 .Lb libutil
 .It Li "libvgl"