Your code looks fine. Is it possible you changed something in the starting code? That would cause the tests to fail. You may want to reset this step and try again.
In the future, if you have a question about a specific challenge as it relates to your written code for that challenge and need some help, click the Help button located on the challenge.
The Help button will create a new topic with all code you have written and include a link to the challenge also. You will still be able to ask any questions in the post before submitting it to the forum.