diff --git a/README.md b/README.md
index 261ff99a6..ddd428064 100644
--- a/README.md
+++ b/README.md
@@ -729,7 +729,7 @@ Use `!isNaN` in combination with `parseFloat()` to check if the argument is a nu
 Use `isFinite()` to check if the number is finite.
 
 ```js
-const validateNumber = n => !isNaN(parseFloat(n)) && isFinite(n) && Number(n) == n;
+const validateNumber = n => !isNaN(parseFloat(n)) && isFinite(n);
 // validateNumber('10') -> true
 ```