docs/80263: Fix read-only sysctl wording

[Brad Davis]

>Number:         80263
>Category:       docs
>Synopsis:       Fix read-only sysctl wording
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-doc
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          doc-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Apr 22 20:50:24 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Brad Davis
>Release:        FreeBSD 5.4-STABLE i386
>Organization:
>Environment:
System: FreeBSD mccaffrey.house.so14k.com 5.4-STABLE FreeBSD 5.4-STABLE #0: Wed Apr 20 22:22:19 MDT 2005 root at mccaffrey.house.so14k.com:/usr/obj/usr/src/sys/SMP i386
>Description:
	Fix read-only sysctl wording.
>How-To-Repeat:
>Fix:

--- doc-ori/en_US.ISO8859-1/books/handbook/config/chapter.sgml	Fri Apr 22 11:51:50 2005
+++ doc/en_US.ISO8859-1/books/handbook/config/chapter.sgml	Fri Apr 22 14:37:59 2005
@@ -1651,7 +1651,8 @@
     <title>&man.sysctl.8; Read-only</title>
 
     <para>In some cases it may be desirable to modify read-only &man.sysctl.8;
-      values.  While this is not recommended, it is also sometimes unavoidable.</para>
+      values.  While this is sometimes unavoidable, is can only be done
+      on (re)boot.</para>
 
     <para>For instance on some laptop models the &man.cardbus.4; device will
       not probe memory ranges, and fail with errors which look similar to:</para>
>Release-Note:
>Audit-Trail:
>Unformatted: