Index: wp-admin/options-privacy.php
===================================================================
--- wp-admin/options-privacy.php	(revision 17416)
+++ wp-admin/options-privacy.php	(working copy)
@@ -39,9 +39,10 @@
 <th scope="row"><?php _e('Site Visibility') ?> </th>
 <td><fieldset><legend class="screen-reader-text"><span><?php _e('Site Visibility') ?> </span></legend>
 <input id="blog-public" type="radio" name="blog_public" value="1" <?php checked('1', get_option('blog_public')); ?> />
-<label for="blog-public"><?php _e('I would like my site to be visible to everyone, including search engines (like Google, Bing, Technorati) and archivers');?></label><br/>
+<label for="blog-public"><?php _e('Allow search engines to index this site.');?></label><br/>
 <input id="blog-norobots" type="radio" name="blog_public" value="0" <?php checked('0', get_option('blog_public')); ?> />
-<label for="blog-norobots"><?php _e('I would like to block search engines, but allow normal visitors'); ?></label>
+<label for="blog-norobots"><?php _e('Ask search engines to not index this site.'); ?></label>
+<p class="description">Note: neither of these options blocks 100% access to your site&mdash;it is up to search engines to honor your request.</p>
 <?php do_action('blog_privacy_selector'); ?>
 </fieldset></td>
 </tr>