* in docs/guides/cms/cloud_server_using_nextcloud.md replace URL ne…

[sspencerwire]

…xtcloud.yourdomain.com, with your-server-hostname, to align with the already included URL exclusion

• in docs/guides/security/generating_ssl_keys_lets_encrypt.md replace yourdomain.com with your-server-hostname to align with the already incluided URL exception. Add an admonition for replacing your-server-hostname with the actual domain or hostname

Author checklist (Completed by original Author)

• Good fit for the Rocky Linux project? Title and Author Metatags inserted ?
• If applicable, steps and instructions have been tested to work
• Initial self-review to fix basic typos and grammar completed

Rocky Documentation checklist (Completed by Rocky team)

• 1st Pass (Document is good fit for project and author checklist completed)
• 2nd Pass (Technical Review - check for technical correctness)
• 3rd Pass (Detailed Editorial Review and Peer Review)
• Final approval (Final Review)

[sspencerwire]

Current effort to replace or fix broken URLs

[github-actions]

Test results for e17888b:

Number of broken URLs: 2

URL,RESULT,FILENAME
 http://planet.i2p,failed,guides/proxies/i2pd.md
 https://www.linode.com/docs/guides/beginners-guide-to-lxd-reverse-proxy,failed,guides/containers/lxd_web_servers.md