Spelling error & wrong idiom

Spelling error: 'out'-->'our'

Idiom: 'From the other hand'-->"On the other hand"

Author: bierlingm

1-js/03-code-quality/06-polyfills/article.md

@@ -11,7 +11,7 @@ A good page to see the current state of support for language features is <https:
 
 As programmers, we'd like to use most recent features. The more good stuff - the better!
 
-From the other hand, how to make out modern code work on older engines that don't understand recent features yet?
+On the other hand, how to make our modern code work on older engines that don't understand recent features yet?
 
 There are two tools for that: