Why is the LIMIT keyword indented with 1 character whereas the FROM keyword is indented 2 characters?

Screen Link: https://app.dataquest.io/m/577/coding-with-style/5/coding-with-style

In the solution code, why is the LIMIT keyword spaced with 1 character, whereas the FROM keyword is spaced 2 characters?

SELECT customer_id, first_name, last_name, email
  FROM customer
 LIMIT 5;

While the uneven spaces at the beginning of each line may give the impression that the lines are not aligned, they actually are. Instead of focusing on the space at the start of each line, focus on the space between the keyword and identifier (column name, table name, etc.). Notice that all of the keywords are appearing as if they are right-aligned and identifiers are left-aligned. It’s called River, which is discussed in the next screen.