solving issues#20289 - part 2/2 - modifying reusable as requested

[CapitainFlam]

solving #20289

Why:

Closes [https://github.com/github/docs/issues/20289]

What's being changed (if available, include any code snippets, screenshots, or gifs):

as requested, I modified the intro

Check off the following:

• [x] I have reviewed my changes in staging (look for the "Automatically generated comment" and click the links in the "Preview" column to view your latest changes).
• [x] For content changes, I have completed the self-review checklist.

Writer impact (This section is for GitHub staff members only):

• [ ] This pull request impacts the contribution experience
  • [ ] I have added the 'writer impact' label
  • [ ] I have added a description and/or a video demo of the changes below (e.g. a "before and after video")