correction for code template consistency

':' character is indicating 'var2' is a key of object.

1-js/05-data-types/10-destructuring-assignment/article.md

@@ -187,7 +187,7 @@ The destructuring assignment also works with objects.
 The basic syntax is:
 
 ```js
-let {var1, var2} = {var1:…, var2…}
+let {var1, var2} = {var1:…, var2:…}
 ```
 
 We have an existing object at the right side, that we want to split into variables. The left side contains a "pattern" for corresponding properties. In the simple case, that's a list of variable names in `{...}`.