diff --git a/lib/generators/impressionist/templates/create_impressions_table.rb b/lib/generators/impressionist/templates/create_impressions_table.rb
index 22b6a90..1fa07b3 100644
--- a/lib/generators/impressionist/templates/create_impressions_table.rb
+++ b/lib/generators/impressionist/templates/create_impressions_table.rb
@@ -8,30 +8,30 @@ class CreateImpressionsTable < ActiveRecord::Migration
       t.string :action_name
       t.string :view_name
       t.string :request_hash
-      t.string :session_hash
       t.string :ip_address
-      t.string :message
-      t.string :referrer
+      t.text :session_hash
+      t.text :message
+      t.text :referrer
       t.timestamps
     end
     add_index :impressions, [:impressionable_type, :impressionable_id, :request_hash], :name => "poly_request_index", :unique => false
     add_index :impressions, [:impressionable_type, :impressionable_id, :ip_address], :name => "poly_ip_index", :unique => false
-    add_index :impressions, [:impressionable_type, :impressionable_id, :session_hash], :name => "poly_session_index", :unique => false    
+    add_index :impressions, [:impressionable_type, :impressionable_id, :session_hash], :name => "poly_session_index", :unique => false
     add_index :impressions, [:controller_name,:action_name,:request_hash], :name => "controlleraction_request_index", :unique => false
     add_index :impressions, [:controller_name,:action_name,:ip_address], :name => "controlleraction_ip_index", :unique => false
-    add_index :impressions, [:controller_name,:action_name,:session_hash], :name => "controlleraction_session_index", :unique => false        
+    add_index :impressions, [:controller_name,:action_name,:session_hash], :name => "controlleraction_session_index", :unique => false
     add_index :impressions, :user_id
   end
 
   def self.down
     remove_index :impressions, :name => :poly_request_index
     remove_index :impressions, :name => :poly_ip_index
-    remove_index :impressions, :name => :poly_session_index        
+    remove_index :impressions, :name => :poly_session_index
     remove_index :impressions, :name => :controlleraction_request_index
     remove_index :impressions, :name => :controlleraction_ip_index
-    remove_index :impressions, :name => :controlleraction_session_index        
+    remove_index :impressions, :name => :controlleraction_session_index
     remove_index :impressions, :user_id
-    
+
     drop_table :impressions
   end
 end
\ No newline at end of file