explicitly mention local processes; from geoff hill

ok nicm

src/lib/libutil/imsg_init.3

@@ -1,4 +1,4 @@
-.\" $OpenBSD: imsg_init.3,v 1.21 2018/02/16 07:42:07 nicm Exp $
+.\" $OpenBSD: imsg_init.3,v 1.22 2018/09/26 09:22:52 jmc Exp $
 .\"
 .\" Copyright (c) 2010 Nicholas Marriott <nicm@openbsd.org>
 .\"
@@ -14,7 +14,7 @@
 .\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 .\" OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: February 16 2018 $
+.Dd $Mdocdate: September 26 2018 $
 .Dt IMSG_INIT 3
 .Os
 .Sh NAME
@@ -106,7 +106,7 @@
 .Sh DESCRIPTION
 The
 .Nm imsg
-functions provide a simple mechanism for communication between processes
+functions provide a simple mechanism for communication between local processes
 using sockets.
 Each transmitted message is guaranteed to be presented to the receiving program
 whole.