diff --git a/text/0000-use-state-ref.md b/text/0000-use-state-ref.md
index 7d1ed894..aa53937d 100644
--- a/text/0000-use-state-ref.md
+++ b/text/0000-use-state-ref.md
@@ -16,13 +16,13 @@ that's mean whenever `count` changes we don't need to perform `useEffect` effect
 const [count, setCount, getCount] = useStateRef();
 
 useEffect(() => {
-  const handleVisibiltuy = () => {
+  const handleVisibility = () => {
     console.log(getCount());
   };
 
-  document.addEventListener('visibilitychange', handleVisibiltuy);
+  document.addEventListener('visibilitychange', handleVisibility);
 
-  return () =>  document.removeEventListener('visibilitychange', handleVisibiltuy);
+  return () =>  document.removeEventListener('visibilitychange', handleVisibility);
 }, []);
 ```