Code review comments from jeffpc

@@ -9,11 +9,11 @@
 .\" http://www.illumos.org/license/CDDL.
 .\"
 .\"
 .\" Copyright 2015 Joyent, Inc.
 .\"
-.Dd May 08, 2016
+.Dd June 06, 2016
 .Dt LIBPROC 3LIB
 .Os
 .Sh NAME
 .Nm libproc
 .Nd process control library