tweaks for the web server configuration chapter
feature #4142 [Cookbook][Configuration] tweaks for the web server configuration chapter (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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[Cookbook][Configuration] tweaks for the web server configuration chapter

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | yes
| Applies to    | all
| Fixed tickets |

Tweaks to #3915 as suggested by @weaverryan.

Commits
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93bbd14 tweaks for the web server configuration chapter