Update Readme.md

Author: MatteoBax

Readme.md

@@ -8,8 +8,8 @@ This tool allows you to check if a date is entered correctly
 ## Usage
 
 ```javascript
-const convalidate = require('date-convalidator');
-const date='dd/mm/yyyy';
+const convalidate = require('@matteobax/date-convalidator');
+var date='dd/mm/yyyy';
 if(convalidate.checkDate(date)){
     console.log('correct date');
 }else{