CR changes

Readme.md

@@ -187,17 +187,17 @@ Setup for non-rails
     parallel_cucumber
     parallel_spinach
 
- - use `ENV['TEST_ENV_NUMBER']` inside your tests to select separate db/memcache/etc. _(Remember to expose this to docker if using compose!)_
- - 
+- use `ENV['TEST_ENV_NUMBER']` inside your tests to select separate db/memcache/etc. (docker compose: expose it)
+
  - Only run a subset of files / folders:
 
     `parallel_test test/bar test/baz/foo_text.rb`
-   
+
  - Pass test-options and files via `--`:
 
     `parallel_rspec -- -t acceptance -f progress -- spec/foo_spec.rb spec/acceptance`
 
- - Pass in any custom cucumber runtime option, by using the -o flag. **NB: You must wrap everything in quotes**:
+ - Pass in test options, by using the -o flag (wrap everything in quotes):
 
     `parallel_cucumber -n 2 -o '-p foo_profile --tags @only_this_tag or @only_that_tag --format summary'`