updating payment page for cloud

[FaNzu]

📋 Description

Due to the payment system changed for umbraco cloud, the documentation was no longer in sync. I have updated the text to be correct for how it works now.

📎 Related Issues (if applicable)

✅ Contributor Checklist

I've followed the Umbraco Documentation Style Guide and can confirm that:

• Code blocks are correctly formatted.
• Sentences are short and clear (preferably under 25 words).
• Passive voice and first-person language (“we”, “I”) are avoided.
• Relevant pages are linked.
• All links work and point to the correct resources.
• Screenshots or diagrams are included if useful.
• Any code examples or instructions have been tested.
• Typos, broken links, and broken images are fixed.

Product & Version (if relevant)

Deadline (if relevant)

📚 Helpful Resources

• 🧾 Umbraco Contribution Guidelines
• ✍️ Umbraco Documentation Style Guide

[eshanrnh]

Thanks for the PR, @FaNzu 🙌 I have suggested some changes for better flow of words. Can you take a look and let me know if something does not make sense?

[FaNzu]

@eshanrnh the changes looks good to me 😄