diff --git a/2-ui/99-ui-misc/03-event-loop/article.md b/2-ui/99-ui-misc/03-event-loop/article.md
index 6240a6b2..218dd214 100644
--- a/2-ui/99-ui-misc/03-event-loop/article.md
+++ b/2-ui/99-ui-misc/03-event-loop/article.md
@@ -335,5 +335,5 @@ That's a way to run code in another, parallel thread.
 
 Web Workers can exchange messages with the main process, but they have their own variables, and their own event loop.
 
-Web Workers do not have access to DOM, so they are useful, mainly, for calculations, to use multiplle CPU cores simultaneously.
+Web Workers do not have access to DOM, so they are useful, mainly, for calculations, to use multiple CPU cores simultaneously.
 ```