Updated text to explain example in more detail

readme.md

@@ -12,7 +12,7 @@ There are several different types of basic Core Controls built into the Customiz
 
 This example code shows how to incorporate Customizer functionality into your theme (or plugin), including examples of how to create Panels, Sections and how to update the Live Preview window. As well as showing the usage of the (built-in) core controls, there are also a number of Custom Controls that have been built that you're welcome to make use of.
 
-The example code in `customizer.php` will create a new Panel called `Header & Navigtion` which contains three sections (`Social Icons`, `Contact` & `Search`). It also creates two new Sections. One called `Sample Custom Controls`, which contains examples of all the custom controls I created. The other new Section, `Default Controls`, contains examples of all the core controls that come with WordPress.
+The example code in `customizer.php` will create a new Panel in the Customizer called `Header & Navigation` which contains three sections (`Social Icons`, `Contact` & `Search`). It also creates two new Sections. One called `Sample Custom Controls`, which contains examples of all the custom controls I created. The other new Section, `Default Controls`, contains examples of all the core controls that come with WordPress.
 
 If you'd like to learn more about Customizer development, you can check out the links to my Customizer Developer's Guide, at the end of this readme.