Corrections
When something on this site is wrong, we fix it and we say so. This page is the public log.
How to report a mistake
Email corrections@arthaengine.com with the page URL, what you believe is wrong, and any source you can point to. We respond within 3 business days; corrections that change a number, regulation citation, or recommendation are published here with a date stamp.
No corrections to date
As of April 2026, no published corrections. When the first one happens, it appears here — with the date, the affected page, what was wrong, and what is now correct.