[GitHub] [trafficcontrol] awilliams opened a new pull request #4100: Docs misc fixes

[GitBox <gi...@apache.org>]

awilliams opened a new pull request #4100: Docs misc fixes
URL: https://github.com/apache/trafficcontrol/pull/4100
 
 
   ## What does this PR (Pull Request) do?
   
   - [x] Fixes minor issues (grammar, typos, formatting) in the documentation.
   
   ## Which Traffic Control components are affected by this PR?
   
   - Documentation
   
   ## What is the best way to verify this PR?
   
   Build the docs and check the updated pages and/or manual inspection of the changeset.
   
   ## If this is a bug fix, what versions of Traffic Control are affected?
   
   - master (40bae48ae)
   
   ## The following criteria are ALL met by this PR
   
   - [x] This PR includes tests OR I have explained why tests are unnecessary
   - [x] This PR includes documentation OR I have explained why documentation is unnecessary
   - [x] This PR includes an update to CHANGELOG.md OR such an update is not necessary
   - [x] This PR includes any and all required license headers
   - [x] This PR ensures that database migration sequence is correct OR this PR does not include a database migration
   - [x] This PR **DOES NOT FIX A SERIOUS SECURITY VULNERABILITY** (see [the Apache Software Foundation's security guidelines](https://www.apache.org/security/) for details)

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