The Change Author option allows the admin of the website to redefine the certain course's author.
To change the course's author go to the courses page STM LMS > Courses. On opposite to each course name, you can see the field with the course's initial author name and the Change Author button.
Click the field with the author name and you will see a list of available instructors' usernames.
Select your needed instructor's username, click the Change Author button and you will get a notification on the screen.