return -> refer

DanielRosenwasser · DanielRosenwasser · commit 8f33b5f10729 · 2015-08-11T00:56:16.000-07:00
Fixes microsoft/TypeScript#4248, thanks @tpdi!
diff --git a/pages/Functions.md b/pages/Functions.md
@@ -22,7 +22,7 @@ function add(x, y) {
 var myAdd = function(x, y) { return x+y; };
 ```
 
-Just as in JavaScript, functions can return to variables outside of the function body.
+Just as in JavaScript, functions can refer to variables outside of the function body.
 When they do so, they're said to `capture` these variables.
 While understanding how this works, and the trade-offs when using this technique, are outside of the scope of this article, having a firm understanding how this mechanic is an important piece of working with JavaScript and TypeScript.
 
