anchor.diff:  
   | Variable     | Description and source                                                                                                               |
   |--------------|--------------------------------------------------------------------------------------------------------------------------------------|
  -| `key`        | Unique key for the build that initiated the Test Analytics run<br />`GITHUB_ACTION` and `GITHUB_RUN_NUMBER` and `GITHUB_RUN_ATTEMPT` |
  +| `key`        | a unique key for the build that initiated the Test Analytics run<br />`GITHUB_ACTION` and `GITHUB_RUN_NUMBER` and `GITHUB_RUN_ATTEMPT` |
   | `url`        | a URL that links to the build <br /> `GITHUB_REPOSITORY` and `GITHUB_RUN_ID`                                                         |
   | `branch`     | the branch or ref that this run is for<br />`GITHUB_REF`                                                                             |
  -| `commit_sha` | the commit sha for the head of the branch<br />`GITHUB_REF`                                                                          |
  +| `commit_sha` | the commit SHA for the head of the branch<br />`GITHUB_REF`                                                                          |
   | `number`     | the build number of the build<br />    `GITHUB_RUN_NUMBER`                                                                           |
   
   To pass a human-readable commit message through to Test Analytics, set the `BUILDKITE_ANALYTICS_MESSAGE` variable.
  
positive.code: 
  | Variable     | Description                                                    |
  |--------------|----------------------------------------------------------------|
  | `key`        | Unique key for the build that initiated the Test Analytics run |
  | `url`        | URL that links to the build                                    |
  | `branch`     | the branch or ref that this run is for                         |
  | `commit_sha` | the commit sha for the head of the branch                      |
  | `number`     | the build number of the build                                  |
  | `job_id`     | the id of a job within the build                               |
  | `message`    | the commit message for the head of the branch                  |
  
negative.code: 
  | Variable                       | Description and source                                         |
  |--------------------------------|----------------------------------------------------------------|
  | `BUILDKITE_ANALYTICS_KEY`      | a unique key for the build that initiated the Test Analytics run |
  | `BUILDKITE_ANALYTICS_URL`      | URL that links to the build                                    |
  | `BUILDKITE_ANALYTICS_BRANCH`   | the branch or ref that this run is for                         |
  | `BUILDKITE_ANALYTICS_SHA`      | the commit SHA for the head of the branch                      |
  | `BUILDKITE_ANALYTICS_NUMBER`   | the build number of the build                                  |
  | `BUILDKITE_ANALYTICS_JOB_ID`   | the id of a job within the build                               |
  | `BUILDKITE_ANANLYTICS_MESSAGE` | the commit message for the head of the branch                  |
  