Fix comment for project argument in commit_range.rb

What does this MR do?

It fixes the documentation for commit_range project argument

Are there points in the code the reviewer needs to double check?

Why was this MR needed?

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Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the style guides
• Branch has no merge conflicts with master (if you do - rebase it please)
• Squashed related commits together