Update README.md.

setup -> set up

Author: johnkil

README.md

@@ -52,7 +52,7 @@ Usage
 
 #### In XML
 
-To setup a typeface you must specify the parameter `typeface`:
+To set up a typeface you must specify the parameter `typeface`:
 
 ``` xml
 <com.devspark.robototextview.widget.RobotoTextView
@@ -75,7 +75,7 @@ or specify a set of parameters `fontFamily`, `textWeight` and `textStyle`:
             app:textStyle="italic"/>
 ```
 
-Setup typeface in code:
+Set up typeface in code:
 
 #### In Code
 
@@ -168,4 +168,4 @@ License
 [5]: http://www.google.com/design/spec/style/typography.html
 [6]: http://developer.android.com/reference/android/widget/TextView.html
 
-[0]: https://github.com/google/roboto
+[0]: https://github.com/google/roboto