docs: fix typo

Author: thebuilder

README.md

@@ -23,7 +23,7 @@ to tell you when an element enters or leaves the viewport. Contains both a
 
 - 🎣 **Hooks or Component API** - With `useInView` it's easier than ever to
   monitor elements
-- ⚡️ **Optimized performance** - Auto reuses Intersection Observers instances
+- ⚡️ **Optimized performance** - Auto reuses Intersection Observer instances
   where possible
 - ⚙️ **Matches native API** - Intuitive to use
 - 🌳 **Tree-shakeable** - Only include the parts you use