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.