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Reviewing pull requests

Anyone can review a documentation pull request. Visit the pull requests section in the Kubernetes website repository to see open pull requests.

Reviewing documentation pull requests is a great way to introduce yourself to the Kubernetes community. It helps you learn the code base and build trust with other contributors.

Before reviewing, it's a good idea to:

Before you begin

Before you start a review:

  • Read the CNCF Code of Conduct and ensure that you abide by it at all times.
  • Be polite, considerate, and helpful.
  • Comment on positive aspects of PRs as well as changes.
  • Be empathetic and mindful of how your review may be received.
  • Assume good intent and ask clarifying questions.
  • Experienced contributors, consider pairing with new contributors whose work requires extensive changes.

Review process

In general, review pull requests for content and style in English. The figure below outlines the steps for the review process. The details for each step follow.

flowchart LR subgraph fourth[Start review] direction TB S[ ] -.- M[add comments] --> N[review changes] N --> O[new contributors should
choose Comment] end subgraph third[Select PR] direction TB T[ ] -.- J[read description
and comments]--> K[preview changes in
Netlify preview build] end A[Review open PR list]--> B[Filter open PRs
by label] B --> third --> fourth classDef grey fill:#dddddd,stroke:#ffffff,stroke-width:px,color:#000000, font-size:15px; classDef white fill:#ffffff,stroke:#000,stroke-width:px,color:#000,font-weight:bold classDef spacewhite fill:#ffffff,stroke:#fff,stroke-width:0px,color:#000 class A,B,J,K,M,N,O grey class S,T spacewhite class third,fourth white

Figure - Review process steps

  1. Go to You see a list of every open pull request against the Kubernetes website and docs.

  2. Filter the open PRs using one or all of the following labels:

    • cncf-cla: yes (Recommended): PRs submitted by contributors who have not signed the CLA cannot be merged. See Sign the CLA for more information.
    • language/en (Recommended): Filters for english language PRs only.
    • size/<size>: filters for PRs of a certain size. If you're new, start with smaller PRs.

    Additionally, ensure the PR isn't marked as a work in progress. PRs using the work in progress label are not ready for review yet.

  3. Once you've selected a PR to review, understand the change by:

    • Reading the PR description to understand the changes made, and read any linked issues
    • Reading any comments by other reviewers
    • Clicking the Files changed tab to see the files and lines changed
    • Previewing the changes in the Netlify preview build by scrolling to the PR's build check section at the bottom of the Conversation tab and clicking the deploy/netlify line's Details link.
  4. Go to the Files changed tab to start your review.

    1. Click on the + symbol beside the line you want to comment on.
    2. Fill in any comments you have about the line and click either Add single comment (if you have only one comment to make) or Start a review (if you have multiple comments to make).
    3. When finished, click Review changes at the top of the page. Here, you can add add a summary of your review (and leave some positive comments for the contributor!), approve the PR, comment or request changes as needed. New contributors should always choose Comment.

Reviewing checklist

When reviewing, use the following as a starting point.

Language and grammar

  • Are there any obvious errors in language or grammar? Is there a better way to phrase something?
  • Are there any complicated or archaic words which could be replaced with a simpler word?
  • Are there any words, terms or phrases in use which could be replaced with a non-discriminatory alternative?
  • Does the word choice and its capitalization follow the style guide?
  • Are there long sentences which could be shorter or less complex?
  • Are there any long paragraphs which might work better as a list or table?


  • Does similar content exist elsewhere on the Kubernetes site?
  • Does the content excessively link to off-site, individual vendor or non-open source documentation?


  • Did this PR change or remove a page title, slug/alias or anchor link? If so, are there broken links as a result of this PR? Is there another option, like changing the page title without changing the slug?
  • Does the PR introduce a new page? If so:
    • Is the page using the right page content type and associated Hugo shortcodes?
    • Does the page appear correctly in the section's side navigation (or at all)?
    • Should the page appear on the Docs Home listing?
  • Do the changes show up in the Netlify preview? Be particularly vigilant about lists, code blocks, tables, notes and images.


For small issues with a PR, like typos or whitespace, prefix your comments with nit:. This lets the author know the issue is non-critical.

Last modified August 18, 2021 at 4:39 PM PST : Add mermaid figures to /docs/contribute section (aec7dd4ea3)