Fix: do the change in the individual .md file

snippets/validate-number.md

@@ -2,6 +2,7 @@
 
 Use `!isNaN` in combination with `parseFloat()` to check if the argument is a number.
 Use `isFinite()` to check if the number is finite.
+Use `Number()` to check if the coercion holds.
 
 ```js
 const validateNumber = n => !isNaN(parseFloat(n)) && isFinite(n);