diff --git a/app/models/approve_article.rb b/app/models/approve_article.rb
index ada0df7..a2f6660 100644
--- a/app/models/approve_article.rb
+++ b/app/models/approve_article.rb
@@ -4,7 +4,7 @@ class ApproveArticle < Task
   validates_presence_of :requestor_id, :target_id
 
   def description
-    _('%s wants to publish %s') % [requestor.name, article.name]
+    _('%{author} wants to publish "%{article}" on %{community}') % { :author => requestor.name, :article => article.title, :community => target.name }
   end
   
   def data
@@ -41,7 +41,7 @@ class ApproveArticle < Task
 
   def target_notification_message
     description + "\n\n" +
-    _('You need login to accept this.')
+    _('You need to login on %{system} in order to approve or reject this article. You can use the address below to do that.') % { :system => target.environment.name }
   end
 
 end
diff --git a/app/models/person.rb b/app/models/person.rb
index ae9b2be..7e8c8c3 100644
--- a/app/models/person.rb
+++ b/app/models/person.rb
@@ -141,6 +141,11 @@ class Person < Profile
     self.user.nil? ? nil : self.user.email
   end
 
+  # Returns the user e-mail.
+  def contact_email
+    email
+  end
+
   def email= (email)
     self.user.email = email if ! self.user.nil?
   end
diff --git a/app/models/profile.rb b/app/models/profile.rb
index c296425..f886225 100644
--- a/app/models/profile.rb
+++ b/app/models/profile.rb
@@ -226,12 +226,11 @@ class Profile < ActiveRecord::Base
 
   xss_terminate :only => [ :name, :nickname, :address, :contact_phone ]
 
-  # returns the contact email for this profile. By default returns the the
-  # e-mail of the owner user.
+  # returns the contact email for this profile.
   #
   # Subclasses may -- and should -- override this method.
   def contact_email
-    self.user ? self.user.email : nil
+    raise NotImplementedError
   end
 
   # gets recent documents in this profile, ordered from the most recent to the
diff --git a/test/unit/person_test.rb b/test/unit/person_test.rb
index 4220f88..881a43c 100644
--- a/test/unit/person_test.rb
+++ b/test/unit/person_test.rb
@@ -112,6 +112,12 @@ class PersonTest < Test::Unit::TestCase
     assert_nil p.email
   end
 
+  should 'use email addreess as contact email' do
+    p = Person.new
+    p.stubs(:email).returns('my@email.com')
+    assert_equal 'my@email.com', p.contact_email
+  end
+
   should 'set email through person instance' do
     u = create_user('testuser')
     p = u.person
diff --git a/test/unit/profile_test.rb b/test/unit/profile_test.rb
index 54a3b03..67091a4 100644
--- a/test/unit/profile_test.rb
+++ b/test/unit/profile_test.rb
@@ -1133,6 +1133,12 @@ class ProfileTest < Test::Unit::TestCase
     assert_equal [p], c.admins
   end
 
+  should 'not implement contact_email' do
+    assert_raise NotImplementedError do
+      Profile.new.contact_email
+    end
+  end
+
   private
 
   def assert_invalid_identifier(id)
--
libgit2 0.21.2