README.md in redmine_crm-0.0.21 vs README.md in redmine_crm-0.0.22

@@ -32,9 +32,21 @@
   def self.down
     ActiveRecord::Base.drop_taggable_table
   end
 end
 ```
+For rcrm_acts_as_viewed You may add column for your model
+with help:
+
+```ruby
+
+YourModel.add_viewings_columns
+
+```
+It will add two column to your table (views and total_views) 
+and view_count will return two number: total view and unique views.
+Without this migration you will get only unique views.
+
 Run migration for plugin:
 
 ```
 rake redmine:plugins:migrate
 ```
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