diff --git a/lib/libsys/kldunload.2 b/lib/libsys/kldunload.2
--- a/lib/libsys/kldunload.2
+++ b/lib/libsys/kldunload.2
@@ -23,7 +23,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd December 25, 2008
+.Dd March 26, 2024
 .Dt KLDUNLOAD 2
 .Os
 .Sh NAME
@@ -66,7 +66,7 @@
 .It Bq Er ENOENT
 The file was not found.
 .It Bq Er EBUSY
-You attempted to unload a file linked by the kernel.
+You attempted to unload a file linked by the kernel or the file has dependants.
 .It Bq Er EINVAL
 The
 .Fn kldunloadf