fixing a typo on line 7

Correcting spelling from 'exampple' to 'example'.

Author: vin18

1-js/02-first-steps/05-types/article.md

@@ -4,7 +4,7 @@ A value in JavaScript is always of a certain type. For example, a string or a nu
 
 There are eight basic data types in JavaScript. Here, we'll cover them in general and in the next chapters we'll talk about each of them in detail.
 
-We can put any type in a variable. For exampple, a variable can at one moment be a string and then store a number:
+We can put any type in a variable. For example, a variable can at one moment be a string and then store a number:
 
 ```js
 // no error