[patch] doco spelling fixes

[Brad Hards]

A trivial docs update

diff -aur dhcp-4.2.1-P1-orig//dhcpctl/dhcpctl.3 dhcp-4.2.1-P1/dhcpctl/dhcpctl.3
--- dhcp-4.2.1-P1-orig//dhcpctl/dhcpctl.3       2009-11-20 12:49:01.000000000 +1100
+++ dhcp-4.2.1-P1/dhcpctl/dhcpctl.3     2011-05-30 15:38:21.270799185 +1000
@@ -297,7 +297,7 @@
 .Fn dhcpctl_object_update
 function queues a request for
 all the changes made to the object handle be be sent to the remote
-for processing. The changes made to the atributes on the handle will be
+for processing. The changes made to the attributes on the handle will be
 applied to remote object if permitted.
 .\"
 .\"
@@ -417,7 +417,7 @@
 The following program will connect to the DHCP server running on the local
 host and will get the details of the existing lease for IP address
 10.0.0.101. It will then print out the time the lease is due to expire. Note
-that most error checking has been ommitted for brevity.
+that most error checking has been omitted for brevity.
 .Bd -literal -offset indent
 #include <stdarg.h>
 #include <sys/time.h>