Fix typos

snippets/validateNumber.md

@@ -12,7 +12,7 @@ Checks if the given value is a number.
 - Use `parseFloat()` to try to convert `n` to a number.
 - Use `Number.isNaN()` and logical not (`!`) operator to check if `num` is a number.
 - Use `Number.isFinite()` to check if `num` is finite.
-- Use `Number()` and the loose equality operator (`==`) to check if the coercion holds.
+- Use `Number` and the loose equality operator (`==`) to check if the coercion holds.
 
 ```js
 const validateNumber = n => {