Merge pull request lydiahallie#32 from donfak/patch-1

Fixing typo

Author: lydiahallie

README.md

@@ -229,7 +229,7 @@ console.log(b === c);
 
 `new Number()` is a built-in function constructor. Although it looks like a number, it's not really a number: it has a bunch of extra features and is an object.
 
-When we use the `==` operator, it only checks whether it has the same _value_. They do they both have the value of `3`, so it returns `true`.
+When we use the `==` operator, it only checks whether it has the same _value_. They both have the value of `3`, so it returns `true`.
 
 However, when we use the `===` operator, both value _and_ type should be the same. It's not: `new Number()` is not a number, it's an **object**. Both return `false.`