Fix weird typo

Author: csswizardry

_posts/2025-07-25-the-extensibility-api.md

@@ -203,7 +203,7 @@ Franklin](https://bsky.app/profile/jackf.io/post/3lusgjh2ts22h), who works on
 the Performance panel, read this article and, within less than two hours, has [a
 change lined
 up](https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6787872)
-to add timestamps to extended `perormance.mark()` in M140. Incredible.</ins>
+to add timestamps to extended `performance.mark()` in M140. Incredible.</ins>
 
 <figure>
 <img src="{{ site.cloudinary }}/wp-content/uploads/2025/07/extensibility-05.png" alt="Chrome DevTools Summary pane missing timestamp details for a custom performance.mark() entry using the Extensibility API." width="1500" height="891" loading="lazy">