Sorry for the inconvenience. Known Navigation header breakage, its being "rebuilt" but forward nav should be ok now.
There may be other unforeseen breakage primarily in the handbook portion of the wiki.
The Table Of Contents section of each "PC-BSD® Users Handbook" page may be the best workaround.
|--down||move the targeted repoID down a single number in priority|
|-mirror URL||change the specified repoID's mirror URL|
|--up||move the targeted repoID up a single number in priority|
<ref>tags exist for a group named "tables", but no corresponding
<references group="tables"/>tag was found