Update note on organization membership visibility (PR: https://github.com/github/docs/pull/42643)

[RamandeepSinghMakkar]

Code of Conduct

• I have read and agree to the GitHub Docs project's Code of Conduct

What article on docs.github.com is affected?

https://docs.github.com/en/account-and-profile/how-tos/organization-membership/publicizing-or-hiding-organization-membership

A few additions to this.

What part(s) of the article would you like to see updated?

I have created a PR:

I have added 2 additional lines for more clarity. Nothing big

Additional information

No response

[RamandeepSinghMakkar]

PR Link: #42643