Index: lib/libc/sys/msgrcv.2
===================================================================
RCS file: /cvsroot/src/lib/libc/sys/msgrcv.2,v
retrieving revision 1.20
diff -u -p -u -r1.20 msgrcv.2
--- lib/libc/sys/msgrcv.2	15 May 2012 11:37:01 -0000	1.20
+++ lib/libc/sys/msgrcv.2	24 Jul 2013 06:58:00 -0000
@@ -90,8 +90,10 @@ less than or equal to the absolute value
 will be received.
 .El
 .Pp
+The argument
 .Fa msgsz
-specifies the maximum length of the requested message.
+specifies the size in bytes of
+.Va mtext .
 If the received message has a length greater than
 .Fa msgsz
 it will be silently truncated if the
Index: lib/libc/sys/msgsnd.2
===================================================================
RCS file: /cvsroot/src/lib/libc/sys/msgsnd.2,v
retrieving revision 1.18
diff -u -p -u -r1.18 msgsnd.2
--- lib/libc/sys/msgsnd.2	30 Apr 2010 04:06:20 -0000	1.18
+++ lib/libc/sys/msgsnd.2	24 Jul 2013 06:58:00 -0000
@@ -69,7 +69,9 @@ be used for selecting messages (see
 .Xr msgrcv 2 ) .
 The
 .Va mtext
-field is an array of bytes, with size up to the system limit
+field is an array of bytes of length
+.Fa msgsz ,
+with size up to the system limit
 .Dv MSGMAX .
 .Pp
 If the number of bytes already on the message queue plus