Any wrong grammar in these?

[solid9]

I wrote these in my wesite.

Any wrong grammar below?

The purpose of this test is to hone your brain to remember the right codes.
- Review first the documentation before taking this test.
- All questions and answers are within and base from the official documentation.
- Each question has time frame.
- You need to answer the question and compare your answer before the time runs out.
- This test is FREE so you can always retake this test whenever you want.
- Once you mastered the coding part of your favorite language or framework it means speedy work
- The faster you will write the codes, the faster you will finish the project and the more money you will earn.


Thanks in advance

[Joe Carillo]

My suggested grammatical refinements:

The purpose of this test is to hone your brain to remember the right codes:
- Review the documentation first before taking this test.
- All the questions and answers here are based on the official documentation.
- Each question has a time frame.
- You need to answer each question and compare your answer with the provided answer before the time runs out.
- This test is FREE; you can always retake this test whenever you want.
- Once you have mastered the coding part of your favorite language or framework, you can do much speedier work.
- The faster you can write the codes, the faster you can finish the project and the more money you will earn.

[solid9]

@joe

thanks, I just published it on my website.
http://www.codesmastery.com/language/landing/codeigniter/