No more --pre

Author: elcuervo

README.md

@@ -24,11 +24,11 @@ much as you want in: https://gumroad.com/l/airplay
 
 ### Library
 
-`gem install airplay --pre`
+`gem install airplay`
 
 ## CLI
 
-`gem install airplay-cli --pre`
+`gem install airplay-cli`
 
 ## Usage