minor fixes

Author: iliakan

1-js/05-data-types/04-array/article.md

@@ -461,7 +461,7 @@ alert( 0 == [] ); // true
 alert('0' == [] ); // false
 ```
 
-Here, in both cases, we compare a primitive with an array object. So the array `[]` gets converted to primitive and becomes an empty string `''`. 
+Here, in both cases, we compare a primitive with an array object. So the array `[]` gets converted to primitive for the purpose of comparison and becomes an empty string `''`. 
 
 Then the comparison process goes on: