The default attribution is at the bottom of this page. You are free to either set your own custom attribution or remove it completely.
# rspec-documentation/spec_helper.rb
RSpec::Documentation.configure do |config|
config.attribution = 'Copyright ©2023 <a href="https://example.com/">Acme Inc.</a>'
end
# rspec-documentation/spec_helper.rb
RSpec::Documentation.configure do |config|
config.attribution = nil
end