Fixed typo

Author: papandreou

documentation/index.md

@@ -129,7 +129,7 @@ expect.use(weknowhow.unexpectedCheck);
 Include the library with RequireJS the following way:
 
 ```js#evaluate:false
-define(['unexpected', 'unexpected-check], funtion (unexpected, unexpectedCheck) {
+define(['unexpected', 'unexpected-check'], funtion (unexpected, unexpectedCheck) {
    var expect = unexpected.clone();
    expect.use(unexpectedCheck);
    // Your code