diff --git a/usr.sbin/mountd/exports.5.sav b/usr.sbin/mountd/exports.5
--- a/usr.sbin/mountd/exports.5.sav
+++ b/usr.sbin/mountd/exports.5
@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd December 21, 2023
+.Dd March 25, 2024
 .Dt EXPORTS 5
 .Os
 .Sh NAME
@@ -623,6 +623,13 @@
 server mount point.
 It is recommended that all exported directories within the same server
 file system be specified on adjacent lines going down the tree.
+Note that when any directory within a server's local file system
+is exported, those exports apply to the entire file system and not
+just the subtree below the specified exported directory.
+As such, to avoid confusion with respect to what is exported,
+it may be prudent to limit exported directories to server
+local file system mount points.
+.Pp
 You cannot specify a hostname that is also the name of a netgroup.
 Specifying the full domain specification for a hostname can normally
 circumvent the problem.