Public record
Corrections remain attached to the work.
Substantive changes receive a truthful modification date and a visible note. Silent changes are limited to spelling, grammar, or presentation.
Correction standard
What changes, and what readers can see.
Material correction
A factual, analytical, attribution, or procedural error is corrected on the article. The note states what was wrong, what changed, and the date. The original publication date remains.
Substantive update
New evidence, changed product behavior, or a meaningful revision changes the visible modification date and appears in the article’s update history. Sitemap dates follow substantive changes only.
Current ledger
No material corrections have been recorded since the publication foundation dated July 27, 2026. This statement will be replaced by dated entries when the first correction or substantive update occurs.
Contact
Readers may report a possible error through hello@themetalearner.com. Include the page, the claim, and the strongest source you believe should be reviewed.