I think we should explicitly mention what are the file/s that it is referring to by “if you change the configuration of your application itself”. I thought it was mix.exs from the comments that appear at the end of that section.
eksperimental
josevalim
Creator of Elixir
cjbottaro
BartOtten
I think it is what you think it is:
https://hexdocs.pm/logger/master/Logger.html#put_application_level/2
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