minor fixes

Author: iliakan

1-js/02-first-steps/08-operators/article.md

@@ -104,7 +104,7 @@ Here's a more complex example:
 alert(2 + 2 + '1' ); // "41" and not "221"
 ```
 
-Here, operators work one after another. The first `+` sums two numbers, so it returns `4`, then the next `+` adds the string `1` to it, so it's like `4 + '1' = 41`.
+Here, operators work one after another. The first `+` sums two numbers, so it returns `4`, then the next `+` adds the string `1` to it, so it's like `4 + '1' = '41'`.
 
 ```js run
 alert('1' + 2 + 2); // "122" and not "14"