The nf-core/metapep documentation is split into the following pages:

• Usage
  • An overview of how the pipeline works, how to run it and a description of all of the different command-line flags.
• Output
  • An overview of the different results produced by the pipeline and how to interpret them.

You can find a lot more documentation about installing, configuring and running nf-core pipelines on the website: https://nf-co.re