Readme.md in parallel_tests-3.1.0 vs Readme.md in parallel_tests-3.2.0

@@ -80,10 +80,12 @@
 
 Running things once
 ===================
 
 ```Ruby
+require "parallel_tests"
+
 # preparation:
 # affected by race-condition: first process may boot slower than the second
 # either sleep a bit or use a lock for example File.lock
 ParallelTests.first_process? ? do_something : sleep(1)
 
@@ -95,11 +97,10 @@
   if ParallelTests.first_process?
     ParallelTests.wait_for_other_processes_to_finish
     undo_something
   end
 end
-
 ```
 
 Even test group run-times
 =========================
 
@@ -256,10 +257,10 @@
  - Remove `--loadby` from `.rspec`
  - Instantly see failures (instead of just a red F) with [rspec-instafail](https://github.com/grosser/rspec-instafail)
  - Use [rspec-retry](https://github.com/NoRedInk/rspec-retry) (not rspec-rerun) to rerun failed tests.
  - [JUnit formatter configuration](https://github.com/grosser/parallel_tests/wiki#with-rspec_junit_formatter----by-jgarber)
  - Use [parallel_split_test](https://github.com/grosser/parallel_split_test) to run multiple scenarios in a single spec file, concurrently. (`parallel_tests` [works at the file-level and intends to stay that way](https://github.com/grosser/parallel_tests/issues/747#issuecomment-580216980))
- 
+
 ### Cucumber
 
  - Add a `parallel: foo` profile to your `config/cucumber.yml` and it will be used to run parallel tests
  - [ReportBuilder](https://github.com/rajatthareja/ReportBuilder) can help with combining parallel test results
    - Supports Cucumber 2.0+ and is actively maintained