Ergo.Parser.description

You're seeing just the function description, go back to Ergo.Parser module for more information.
Link to this function

description(parser)

description/1 returns the description metadata for the parser.

Examples

iex> parser = Parser.new(identity, %{description: "Not a parser at all"})
iex> Ergo.Parser.description(parser)
"Not a parser at all"