edit the following sentence: "He walked to the bookstore to get a book"
He walked to the bookstore to purchase a textbook
He walked to the bookstore to purchase a textbook.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
edit the following sentence: "He walked to the bookstore to get a book"

### Response:
He walked to the bookstore to purchase a textbook.