README in belongs_to_enum-0.2 vs README in belongs_to_enum-0.3

@@ -1,9 +1,7 @@
 Adds support for transparent enums to ActiveRecord.
 Adds a belongs_to_enum to ActiveRecord that takes an array of possible values.
 
-Adds an add_extra_data method to ActiveRecord that invisibly includes an extra data table. Use with STI to keep your database clean. It removes the need to have lots of nullable columns.
-
 Usage
 ---------
 Use in Rails 3 app. Add to bundler:
 gem "belongs_to_enum"
 
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