minor mistake in doc

[asteriogonzalez]

I think when you say in the doc

for interface in ifcfg.interfaces:

it must be something like:

for name, interface in ifcfg.interfaces().items():

or

for interface in ifcfg.interfaces().values():

as is a function and returns a dict() instead a list

[benjaoming]

Thanks for reporting this @asteriogonzalez !

Would you be able to submit a PR for this? It would be very helpful :+1: