README in adapter_extensions-0.4.0 vs README in adapter_extensions-0.5.0

@@ -1,3 +1,7 @@
 This library provides extensions to Rails' ActiveRecord adapters.
 
+As of version 0.5, adapter_extensions has dependencies on ActiveSupport and ActiveRecord 2.1.x or higher.
+
+To use the MySQL adapter extensions with Rails 2.x, you must patch the mysql_adapter with the mysql_adapter_opt_local_infile.patch.
+
 To execute the unit tests you must first construct a adapter_extensions_unittest database.
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