fix: correct special property alias misinformation

[jmf-umbraco]

Description

Fix some misinformation re: special property aliases in Heartcore

Type of suggestion

• [ ] Typo/grammar fix
• [x] Updated outdated content
• [ ] New content
• [ ] Updates related to a new version
• [ ] Other

Product & version (if relevant)

Heartcore

Deadline (if relevant)

N/A

[jmf-umbraco]

Looks good @jmf-umbraco ! 💪

I've made a single suggestion - let me know if something looks off.

Makes sense to me. Applied!