Abrowser says that AdBlock Plus is in the repository but it is not

When searching for AdBlock Plus in Abrowser's Addon section, there is a paragraph that says:
"
Adblock Plus is in the Trisquel repositories as package xul-ext-adblock-plus and it is recommended you install it from the repositories rather than upstream for the usual reasons.
"

http://packages.trisquel.info/search?suite=default&section=all&arch=any&searchon=names&keywords=xul-ext-adblock-plus shows that it exists only for Taranis and Slaine.