Review contributions
To review a documentation pull request (PR):
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Go to the PR page. 
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Select the Files changed tab and read through the documentation changes. 
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View the rendered changes in the PR preview link. 
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Evaluate the changes to the best of your ability. To approve the changes, make sure that: - The changes are technically accurate.
- The changes improve your understanding of the subject.
- The changes make sense in the context they're in.
- You're not left with any confusion or questions about the subject of the changes.
- The changes follow the writing style guidelines and the markdown guidelines.
 
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In the Files changed tab, hover over any line you want to comment on to the right of the line number, and select the plus sign (+). You can also drag to select multiple lines at once. Add your comment, or select the file symbol to make a specific suggestion. Select Start a review, and repeat for any other comments or suggestions. 
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When you're done commenting, select Finish your review in the upper right corner, and select: - Comment if you have comments or suggestions you want the PR author to consider.
- Approve if you think the PR is OK to merge.
- Request changes if you require the author to make changes. Selecting this option requires you to approve the PR later before the author can merge it.
 
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Submit your review.