krb5 commit: Cleanup docs for DNS lookup configure options

[Benjamin Kaduk]

https://github.com/krb5/krb5/commit/b9e59579a28944f48821a57a57757919c4f9fb72
commit b9e59579a28944f48821a57a57757919c4f9fb72
Author: Ben Kaduk <kaduk at mit.edu>
Date:   Wed Jun 27 14:35:30 2012 -0400

    Cleanup docs for DNS lookup configure options
    
    DNS lookups for KDCs have been unconditionally enabled in
    configure since 2003; configure options only affect whether
    DNS lookups are used for realm names.
    Change the RST documentation of configure options to catch up.

 doc/rst_source/krb_build/options2configure.rst |   11 +++++------
 1 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/doc/rst_source/krb_build/options2configure.rst b/doc/rst_source/krb_build/options2configure.rst
index f641f93..7d1e700 100644
--- a/doc/rst_source/krb_build/options2configure.rst
+++ b/doc/rst_source/krb_build/options2configure.rst
@@ -46,13 +46,12 @@ Most commonly used options
     library (TCLPATH/lib) should be found.
 
 **--enable-dns-for-realm**
-    Enable the use of DNS to look up a host's Kerberos realm, or a
-    realm's KDCs, if the information is not provided in
-    :ref:`krb5.conf(5)`.  See :ref:`kdc_hostnames` for information
-    about using DNS to locate the KDCs, and :ref:`mapping_hostnames`
+    Enable the use of DNS to look up a host's Kerberos realm,
+    if the information is not provided in
+    :ref:`krb5.conf(5)`.  See
+    :ref:`mapping_hostnames`
     for information about using DNS to determine the default realm.
-    By default, DNS lookups are enabled for the former but not for the
-    latter.
+    DNS lookups for realm names are disabled by default.
 
 **--with-system-et**
     Use an installed version of the error-table (et) support software,