Update about-github-pages.md

[superjolt]

Why:

Closes: #36174 (comment)

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

Made the text and did the according changes as in the issue.
Added a note in bold to say that it works after 10 minutes or so.
Made every "create a repository" to "create/rename a repository"

Check off the following:

• A subject matter expert (SME) has reviewed the technical accuracy of the content in this PR. In most cases, the author can be the SME. Open source contributions may require an SME review from GitHub staff.
• The changes in this PR meet the docs fundamentals that are required for all content.
• All CI checks are passing and the changes look good in the preview environment.

[welcome]

Thanks for opening this pull request! A GitHub docs team member should be by to give feedback soon. In the meantime, please check out the contributing guidelines.

[github-actions]

👓 Previews for changed content

This comment is 🤖 automatically generated and will be overwritten every time changes are committed to this branch.

The table contains an overview of files in the content directory that have been changed in this pull request. It's provided to make it easy to review your changes on the review server. Please note that changes to the data directory will not show up in this table.

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Content directory changes

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Source	Preview	Production	What Changed
pages/getting-started-with-github-pages/about-github-pages.md	fpt ghec ghes@ 3.15 3.14 3.13 3.12 3.11 3.10	fpt ghec ghes@ 3.15 3.14 3.13 3.12 3.11 3.10

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Key: fpt: Free, Pro, Team; ghec: GitHub Enterprise Cloud; ghes: GitHub Enterprise Server
This table is posted from the Content Changes Table Comment workflow.

[github-actions]

Thanks for opening a pull request! We've triaged this issue for technical review by a subject matter expert 👀

[isaacmbrown]

Hi @superjolt, thanks for the contribution! Your reasoning makes sense to me. I checked in with someone from the Pages team and left a couple of suggestions - let me know what you think

[isaacmbrown]

I checked and we actually have a piece of reusable content that should cover this 🙂 It would be good to use that here to help maintainability

Suggested change

	**Note: Github pages works around 10 minutes after you renamed/created the repository.**
	{% data reusables.pages.twenty-minutes-to-publish %}

Despite the misleading name, it says:

It can take up to 10 minutes for changes to your site to publish after you push the changes to {% data variables.product.github %}. If you don't see your {% data variables.product.prodname_pages %} site changes reflected in your browser after an hour, see AUTOTITLE.

[isaacmbrown]

To best present this info at the point of need, I actually suggest simplifying this section to avoid mentioning creating or renaming at all. If you want, you could then edit Creating a repository for your site to explicitly mention the option of renaming a repo. How does that sound to you?

Suggested change

	To publish a user site, you must create OR rename a repository owned by your personal account that's named {% ifversion fpt or ghec %}`<username>.github.io`{% else %}`<username>.<hostname>`{% endif %}. To publish an organization site, you must create OR rename a repository owned by an organization that's named {% ifversion fpt or ghec %}`<organization>.github.io`{% else %}`<organization>.<hostname>`{% endif %}. {% ifversion fpt or ghec %}Unless you're using a custom domain, user and organization sites are available at `http(s)://<username>.github.io` or `http(s)://<organization>.github.io`.{% endif %}
	* User sites are hosted in a repository owned your personal account, named {% ifversion fpt or ghec %}`<username>.github.io`{% else %}`<username>.<hostname>`{% endif %}.
	* Organization sites are hosted in a repository owned by an organization, named {% ifversion fpt or ghec %}`<organization>.github.io`{% else %}`<organization>.<hostname>`{% endif %}.
	{% ifversion fpt or ghec %}Unless you're using a custom domain, user and organization sites are available at `http(s)://<username>.github.io` or `http(s)://<organization>.github.io`.{% endif %}