diff --git a/packages/reactivity/src/effect.ts b/packages/reactivity/src/effect.ts
index 84cf184c154..77c6f9d5b37 100644
--- a/packages/reactivity/src/effect.ts
+++ b/packages/reactivity/src/effect.ts
@@ -311,7 +311,7 @@ function prepareDeps(sub: Subscriber) {
 }
 
 function cleanupDeps(sub: Subscriber) {
-  // Cleanup unsued deps
+  // Cleanup unused deps
   let head
   let tail = sub.depsTail
   let link = tail