thema validations

app/models/themengruppe.rb

@@ -10,12 +10,14 @@
 
 class Themengruppe < ActiveRecord::Base
   WORD_COUNT = 50
-  attr_accessible :text, :title, :picture,:priority
+  attr_accessible :text, :title, :picture, :priority
   has_many :themen, class_name: 'Thema'
   has_many :fragen, through: :themen
+
   mount_uploader :picture, PictureUploader
   
   validates :title, :presence => true
+  validates :text, :presence => true
 
   translates :title,:text, :versioning =>true, :fallbacks_for_empty_translations => true
 end