diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1c0340f6..d1be155a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,5 +1,17 @@
-# Contributor guidelines - CSSLint
+# Contributor guidelines - CSS Lint
 
 * Check out the [Contributing wiki](https://github.com/CSSLint/csslint/wiki/Contributing) and [Developer Guidelines](https://github.com/CSSLint/csslint/wiki/Developer-Guide) first
 
-* To add properties that CSSLint recognizes, submit a patch to [CSSLint/parser-lib](https://github.com/CSSLint/parser-lib)
+* To add properties that CSS Lint recognizes, submit a patch to [CSSLint/parser-lib](https://github.com/CSSLint/parser-lib)
+
+# Contributor License Agreement
+
+A CLA is a document that specifies how a project is allowed to use your code. We've put a lot of work into creating a CLA that is simple, effective, and as clear as possible so that it doesn't disrupt contributions to CSS Lint.
+
+When you make a contribution to the CSS Lint project, you agree:
+
+* The code you wrote is your original work (you own the copyright) or you otherwise have the right to submit the work.
+* To grant the CSS Lint project a nonexclusive, irrevocable license to use your submitted code in any way.
+* You are capable of granting these rights for the contribution.
+
+By submitting a fix to CSS Lint you agree to the above statements.