template[default].module = mod-rrl/default
mod-rrl.id = default
mod-rrl[default].rate-limit = 20
mod-rrl[default].slip = 1
fwiw, my analogous config snippet is
- id: default
storage: /var/lib/knot/primary
semantic-checks: on
file: %s
global-module: mod-rrl/default
global-module: mod-cookies/default
randy