I've noticed a small spelling error in the recent cvs commit to upgrade50.html Here's a diff correcting that mistake on the line regarding ypserv.
Index: upgrade50.html =================================================================== RCS file: /cvs/www/faq/upgrade50.html,v retrieving revision 1.11 diff -u -p upgrade50.html --- upgrade50.html 22 Oct 2011 19:40:45 -0000 1.11 +++ upgrade50.html 23 Oct 2011 00:15:28 -0000 @@ -71,7 +71,7 @@ Table of Contents: <li><a href="#before">Before upgrading</a> <ul> <li><a href="#rc.d">System daemons start through rc.d</a> - <li><a href="#ypserv">Special upgradde details for ypserv(8)</a> + <li><a href="#ypserv">Special upgrade details for ypserv(8)</a> <li><a href="#pf">PF changes requiring changes to your pf.conf rules</a> <li><a href="#security">New security(8) script</a> <li><a href="#vnd">vnd(4) removed, svnd(4) renamed to vnd(4)</a>