diff --git a/actionpack/lib/action_dispatch/testing/test_process.rb b/actionpack/lib/action_dispatch/testing/test_process.rb
index 8ac50c730d..0b98f27f11 100644
--- a/actionpack/lib/action_dispatch/testing/test_process.rb
+++ b/actionpack/lib/action_dispatch/testing/test_process.rb
@@ -8,12 +8,12 @@ module ActionDispatch
module FixtureFile
# Shortcut for Rack::Test::UploadedFile.new(File.join(ActionDispatch::IntegrationTest.fixture_path, path), type):
#
- # post :change_avatar, avatar: fixture_file_upload('files/spongebob.png', 'image/png')
+ # post :change_avatar, params: { avatar: fixture_file_upload('files/spongebob.png', 'image/png') }
#
# To upload binary files on Windows, pass :binary as the last parameter.
# This will not affect other platforms:
#
- # post :change_avatar, avatar: fixture_file_upload('files/spongebob.png', 'image/png', :binary)
+ # post :change_avatar, params: { avatar: fixture_file_upload('files/spongebob.png', 'image/png', :binary) }
def fixture_file_upload(path, mime_type = nil, binary = false)
if self.class.respond_to?(:fixture_path) && self.class.fixture_path &&
!File.exist?(path)