Error: Couldn't find a distribution for 'ploneintranet.todo'.

[macagua]

When I run buildout show me the follow error:

Getting required 'zc.buildout==2.2.1'
We have the distribution that satisfies 'zc.buildout==2.2.1'.
Getting required 'ploneintranet.todo'
  required by ploneintranet.workspace 1.2.dev0.
We have no distributions for ploneintranet.todo that satisfies 'ploneintranet.todo'.
Couldn't find index page for 'ploneintranet.todo' (maybe misspelled?)
Getting distribution for 'ploneintranet.todo'.
Couldn't find index page for 'ploneintranet.todo' (maybe misspelled?)
While:
  Installing instance.
  Getting distribution for 'ploneintranet.todo'.
Error: Couldn't find a distribution for 'ploneintranet.todo'.

[macagua]

Fixed adding into config/sources.cfg file the following buildout configuration:

auto-checkout =
     ...
     ploneintranet.todo

depends =
     ...
     ploneintranet.todo

[sources]
...
ploneintranet.todo  = git https://github.com/ploneintranet/ploneintranet.todo.git