man: note requirements of interface / protocol when exiting

diff --git a/src/dhcpcd.8.in b/src/dhcpcd.8.in
index 17dbe5fe47357d040ff1a96d481f325c446bbe27..22149b8182f8f1f518cc473f09848a6157079216 100644 (file)
--- a/src/dhcpcd.8.in
+++ b/src/dhcpcd.8.in
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd May 9, 2017
+.Dd August 29, 2017
 .Dt DHCPCD 8
 .Os
 .Sh NAME
@@ -584,6 +584,15 @@ will try to do as much as it can by default.
 However, there are sometimes situations where you don't want the things to be
 configured exactly how the the DHCP server wants.
 Here are some options that deal with turning these bits off.
+.Pp
+Note that when
+.Nm
+is restricted to a single interface then the interface also needs to be
+specified when asking
+.Nm
+to exit using the commandline.
+If the protocol is restricted as well then the protocol needs to be included
+with the exit instruction.
 .Bl -tag -width indent
 .It Fl 1 , Fl Fl oneshot
 Exit after configuring an interface.