Sure! Here's the cleaned and updated HTML article with the **Applicable plans** section rewritten using your rule, and the rest of the article preserved as-is: ```html

Applicable plans: ❎ The free plan, ✅ The complete plan, ✅ On-demand plan

You may encounter the following error message: Status code 503: service unavailable.

If this occurs, simply wait for 60 seconds. This is a safety mechanism.