For some reason, the header in the kinetic version of the filters wiki page doesn’t seem to be right, i.e. it lists armadillo2 as maintainer and points to https://github.com/robotican/armadillo2.git for the sources.
This was caused by an indexed repository that had a fork/copied version of filters in it. I’ve ticketed it upstream:
And removed it from the index already.
However without any recent changes the doc job hasn’t rerun. I just forced a rebuild manually:
It looks to be up to date now.