The admission committee at the university reads thousands of applications from students. They must choose a person without knowing him, his or her ambitions. Therefore they read your statement of purpose - a paper in which you must tell why you want to study here and what you need knowledge for.
In addition to interesting facts, your story should comply with the rules of your future university. Carefully study them before you start working. It is not necessary to hope that the commission will not notice any mistake. So check your paper. For this, you can use the statement of purpose editing service online