As reported on Portuguese Wikipedia[1], there if you go to
https://en.wikipedia.org/wiki/Special:Categories
and search for e.g. "Example songs" you'll get a list of categories
which starts at "Examples‏‎ (2 members)" but which says
"Display categories starting at: [ Example songs ]"

The "Example songs" is actually at the end of the previous page,
which is the target of the link "previous 50":
https://en.wikipedia.org/w/index.php?title=Special:Categories&dir=prev&offset=Examples

[1]https://pt.wikipedia.org/w/index.php?title=Wikipédia:Café_dos_programadores#No_fim_da_..._p.C3.A1gina_anterior

Version: 1.20.x
Severity: normal