Clarify useState update explanation

Author: deepikachopra9501-ship-it

src/content/learn/index.md

@@ -334,9 +334,10 @@ function MyButton() {
     </button>
   );
 }
-```
 
-React will call your component function again. This time, `count` will be `1`. Then it will be `2`. And so on.
+
+Calling `setCount` tells React to re-render your component. This time, `count` will be `1`. Then it will be `2`. And so on.
+
 
 If you render the same component multiple times, each will get its own state. Click each button separately: