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Sentence correction Line 678.
but allowing -> by allowing.
Yes, I promise I've read the Contributions Guidelines
Please type "I already searched for this issue": - I already searched for this isssue.
Edition: (pull requests not accepted for previous editions) - 2nd
Book Title: - Get Started 2nd Edition
Chapter: - 2 - Surveying JS
Section Title: - How we organize in JS
Topic: - class inheritance