Add help text to model in Rails Admin

config/initializers/rails_admin.rb

@@ -32,6 +32,15 @@ RailsAdmin.config do |config|
     label "CSV Variable Definition"
     edit do
       exclude_fields :last_accessed
+      field :log_type do
+        help "Required. Specify the type of log associated with this variable: 'lettings' or 'sales'."
+      end
+      field :user_type do
+        help "Required. Specify the user access associated with this variable: 'support' or 'user'. Support users have access to all variables, including those set as 'user'."
+      end
+      field :year do
+        help "Required. Specify the year this definition should be available from. This definition will be used in future years unless superseded by a newer definition."
+      end
     end
   end