I'm glad you asked this, as I've noticed the same thing. Here's the output of
my /etc/apt/sources.list
# deb http://us.archive.trisquel.info/trisquel/ belenos main
# deb http://us.archive.trisquel.info/trisquel/ belenos-updates main
# deb http://archive.trisquel.info/trisquel belenos-security main
# See http://trisquel.info/wiki/ for how to upgrade to
# newer versions of the distribution.
deb http://us.archive.trisquel.info/trisquel/ belenos main
deb-src http://us.archive.trisquel.info/trisquel/ belenos main
deb http://us.archive.trisquel.info/trisquel/ belenos-updates main
deb-src http://us.archive.trisquel.info/trisquel/ belenos-updates main
deb http://us.archive.trisquel.info/trisquel/ belenos-security main
deb-src http://us.archive.trisquel.info/trisquel/ belenos-security main
# Uncomment this lines to enable the backports optional repository
# deb http://us.archive.trisquel.info/trisquel/ belenos-backports main
# deb-src http://us.archive.trisquel.info/trisquel/ belenos-backports main
