README.md in rails-uploader-0.5.8 vs README.md in rails-uploader-0.5.9

@@ -46,17 +46,15 @@
   include CarrierWave::MiniMagick
 
   # Choose what kind of storage to use for this uploader:
   storage :file
 
-  EXTENSION_WHITELIST = %w[jpg jpeg gif png].freeze
-
   version :thumb do
     process resize_to_fill: [100, 100]
   end
 
   def extension_whitelist
-    EXTENSION_WHITELIST
+    %w[jpg jpeg gif png]
   end
 end
 ```
 
 For example user has one picture: