diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index ab748c188..8fdfd430c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,8 +2,8 @@
 
 CakePHP loves to welcome your contributions. There are several ways to help out:
 * Create an [issue](https://github.com/cakephp/cakephp/issues) on GitHub, if you have found a bug
-* Write testcases for open bug issues
-* Write patches for open bug/feature issues, preferably with testcases included
+* Write test cases for open bug issues
+* Write patches for open bug/feature issues, preferably with test cases included
 * Contribute to the [documentation](https://github.com/cakephp/docs)
 
 There are a few guidelines that we need contributors to follow so that we have a
@@ -30,7 +30,7 @@ chance of keeping on top of things.
 * Make commits of logical units.
 * Check for unnecessary whitespace with `git diff --check` before committing.
 * Use descriptive commit messages and reference the #issue number.
-* Core testcases should continue to pass. You can run tests locally or enable
+* Core test cases should continue to pass. You can run tests locally or enable
   [travis-ci](https://travis-ci.org/) for your fork, so all tests and codesniffs
   will be executed.
 * Your work should apply the CakePHP coding standards.
@@ -48,10 +48,10 @@ chance of keeping on top of things.
 * Submit a pull request to the repository in the cakephp organization, with the
   correct target branch.
 
-## Testcases and codesniffer
+## Test cases and codesniffer
 
 CakePHP tests requires [PHPUnit](http://www.phpunit.de/manual/current/en/installation.html)
-3.5 or higher. To run the testcases locally use the following command:
+3.5 or higher. To run the test cases locally use the following command:
 
     ./lib/Cake/Console/cake test core AllTests --stderr