Improvement for https://blends.debian.org/edu/index.nl.html

[Frans Spiesschaert <Frans.Spiesschaert@yucom.be>]

Hi Wolfgang,

I think the Dutch translation of the blends/edu page could be improved
slightly by replacing

GOsa² Beheershulpmiddel

with

GOsa² Beheerdershulpmiddel

-- 
Kind regards,
Frans Spiesschaert