===================================================================
RCS file: /cvsrepo/anoncvs/cvs/www/ftp.html,v
retrieving revision 1.806
retrieving revision 1.807
diff -u -r1.806 -r1.807
--- www/ftp.html	2020/02/02 21:45:38	1.806
+++ www/ftp.html	2020/03/03 20:22:38	1.807
@@ -1123,7 +1123,7 @@
 <hr>
 <h3 id="layout">Structural layout:</h3>
 
-The file structure of each server is roughly:
+The file structure of each server is:
 
 <ul>
 <li><b>/pub/OpenBSD/</b><br>
@@ -1190,14 +1190,18 @@
          syspatch/ and tools/)
 </ul>
 
-<p>
-In addition, mirrors must use a second-level mirror as their upstream.
+Also:
 
+<ul>
+  <li>use the directory structure shown above, with files under <strong>/pub/OpenBSD</strong>
+  <li>use a second-level mirror as upstream - no chains of mirrors
+</ul>
+
 <p>
-As of 6.5, the minimum space required is approximately 700GB.
-However, to reduce problems when snapshot packages are updated, it is
-recommended to use the rsync options <kbd>--delete-delay --delay-updates</kbd>
-which will use additional space.
+As of March 2020, the minimum space required is approximately 750GB.
+However, to reduce problems for users when snapshot packages are updated, it is
+strongly recommended to use the rsync options <kbd>--delete-delay --delay-updates</kbd>
+which requires additional space during updates.
 <kbd>--fuzzy</kbd> may also be helpful to reduce the amount of data transferred
 when updating snapshot packages.
 Depending on the disk space available, mirrors may provide more contents,