Update README.md

Update the documentation for Ruby's 1.9 hash syntax, and fix the example for the `:as` argument

1 files changed, 2 insertions, 2 deletions

diff --git a/README.md b/README.md
index 4e03b3e..dd8d5c5 100644
--- a/README.md
+++ b/README.md
@@ -175,8 +175,8 @@ require 'slop'
 
 opts = Slop.parse do
   on :n, :name=, 'Your name'
-  on :a, :age=, 'Your age', :as => :int
+  on :a, :age=, 'Your age', as: Integer
 end
 
 opts.to_hash #=> { :name => 'lee', :age => 105 }
-```
\ No newline at end of file
+```