Today i want to ask you kindly to help me, the way of correcting my Grammar error
(to improve = make something better than before
to correct = make something right or accurate by changing it)
You could start with 'I', which is always capital in English.
This forum is a great place to learn English - here you can find a lot of what course books are generally missing. So, feel free to look around and read the threads you find interesting, this way you'll get a better understanding of how it works.