Fix typos in contributing guide [ci skip]

* includes -> include
* "on your computer" is implied

1 files changed, 2 insertions, 2 deletions

diff --git a/guides/source/contributing_to_ruby_on_rails.md b/guides/source/contributing_to_ruby_on_rails.md
index 09f260e5a3..9b28ff4ea7 100644
--- a/guides/source/contributing_to_ruby_on_rails.md
+++ b/guides/source/contributing_to_ruby_on_rails.md
@@ -40,9 +40,9 @@ Having a way to reproduce your issue will be very helpful for others to help con
 * Template for Action Pack (controllers, routing) issues: [gem](https://github.com/rails/rails/blob/master/guides/bug_report_templates/action_controller_gem.rb) / [master](https://github.com/rails/rails/blob/master/guides/bug_report_templates/action_controller_master.rb)
 * Generic template for other issues: [gem](https://github.com/rails/rails/blob/master/guides/bug_report_templates/generic_gem.rb) / [master](https://github.com/rails/rails/blob/master/guides/bug_report_templates/generic_gem.rb)
 
-These templates includes the boilerplate code to set up a test case against either a released version of Rails (`*_gem.rb`) or Rails master (`*_master.rb`).
+These templates include the boilerplate code to set up a test case against either a released version of Rails (`*_gem.rb`) or Rails master (`*_master.rb`).
 
-Simply copy the content of the appropriate template into a `.rb` file on your computer and make the necessary changes to demonstrate the issue. You can execute it by running `ruby the_file.rb` in your terminal. If all goes well, you should see your test case failing.
+Simply copy the content of the appropriate template into a `.rb` file and make the necessary changes to demonstrate the issue. You can execute it by running `ruby the_file.rb` in your terminal. If all goes well, you should see your test case failing.
 
 You can then share your executable test case as a [gist](https://gist.github.com), or simply paste the content into the issue description.