Fix typo in the the Ulimit Settings section

[jebnix]

NO ISSUE

Description

I've found a typo on the docs at the Ulimit Settings section on the Taking Solr to Production page.

Solution

Fix a typo and change the order of a sentence to make it more comfortable visually.

Tests

Please describe the tests you've developed or run to confirm this patch implements the feature or solves the problem.

Checklist

Please review the following and check all that apply:

• I have reviewed the guidelines for How to Contribute and my code conforms to the standards described there to the best of my ability.
• I have created a Jira issue and added the issue ID to my pull request title.
• I have given Solr maintainers access to contribute to my PR branch. (optional but recommended)
• I have developed this patch against the main branch.
• I have run ./gradlew check.
• I have added tests for my changes.
• I have added documentation for the Reference Guide

[sonatype-lift]

⚠️ 314 God Classes were detected by Lift in this project. Visit the Lift web console for more details.

[epugh]

Thank @jebnix for this documentation fix. Feel free to tag me on ref guide fixes ;-).