README.md in zlib-1.0.0 vs README.md in zlib-1.1.0

@@ -32,10 +32,10 @@
 
 ## Usage
 
 Using the wrapper to compress strings with default parameters is quite simple:
 
-```
+```ruby
 require "zlib"
 
 data_to_compress = File.read("don_quixote.txt")
 
 puts "Input size: #{data_to_compress.size}"