Merge pull request #1438 from chrisshyi/patch-1

Fix minor grammatical error

Author: iliakan

1-js/11-async/03-promise-chaining/article.md

@@ -218,7 +218,7 @@ new Promise(resolve => resolve(1))
 
 JavaScript checks the object returned by `.then` handler in the line `(*)`: if it has a callable method named `then`, then it calls that method providing native functions `resolve`, `reject` as arguments (similar to executor) and waits until one of them is called. In the example above `resolve(2)` is called after 1 second `(**)`. Then the result is passed further down the chain.
 
-This feature allows to integrate custom objects with promise chains without having to inherit from `Promise`.
+This feature allows us to integrate custom objects with promise chains without having to inherit from `Promise`.
 ````