README.rdoc in right_api_client-1.5.5 vs README.rdoc in right_api_client-1.5.6

@@ -192,5 +192,11 @@
   - 'backups'   => {:cleanup => 'do_post'}
 Put these special cases in the <tt>RightApi::Helper::RESOURCE_TYPE_SPECIAL_ACTIONS</tt> hash.
 
 === Resources are not linked together
   - In ResourceDetail, resource_type = Instance, need live_tasks as a method.
+
+= Troubleshooting
+
+== Wrong ruby version
+
+Ruby 1.9 is required. Ruby 1.8 will give undefined results, such as missing attributes.