Fix spelling mistake in README.md

/*+_[ci skip]_+*\
2014-09-13 19:02:51 +02:00 · 2014-09-13 19:02:51 +02:00 · cdec024109
parent e9b31101e0
commit cdec024109
1 changed files with 1 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -2490,7 +2490,7 @@ including the built-in server. See
 [Configuring Settings](http://sinatra.github.com/configuration.html)
 for details on available options and their behavior. If you want
 behavior more similar to when you define your app at the top level (also
-know as Classic style), you
+known as Classic style), you
 can subclass `Sinatra::Application`.

 ``` ruby