Fix spelling typo

joshwnj · joshwnj · commit 11a6a020be64 · 2015-02-11T12:34:28.000+11:00
PS. thank you for making this great resource!
diff --git a/lib/exercises/arrow_functions_and_this/problem.md b/lib/exercises/arrow_functions_and_this/problem.md
@@ -1,4 +1,4 @@
-Arrow functions help to make the confounding issue of `this` less counfounding.
+Arrow functions help to make the confounding issue of `this` less confounding.
 
 Arrow functions lexically bind the value of `this`. It is very likely that you do not know what that sentence means. And that's OK.
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		-Arrow functions help to make the confounding issue of `this` less counfounding.
	`1`	+Arrow functions help to make the confounding issue of `this` less confounding.
`2`	`2`
`3`	`3`	Arrow functions lexically bind the value of `this`. It is very likely that you do not know what that sentence means. And that's OK.
`4`	`4`