laravel/docs — comment on commit 42a86fdced2e4829a6f5ffd436464297bdc2aa53
File:  line 0
By kuzeko:

It is not written, it is not clear..
I believe to have seen other frameworks requiring you to write such things in a configuration file...

I think documentation should explain things in the more clear and complete way possible, there is nothing to gain keeping such things "implicit".