diff --git a/app/helpers/search_helper.rb b/app/helpers/search_helper.rb
index ee9885a1f..5f4142a11 100644
--- a/app/helpers/search_helper.rb
+++ b/app/helpers/search_helper.rb
@@ -6,6 +6,7 @@ module SearchHelper
     end
     experiments.uniq
   end
+  
   def sub_results(el)
     elements = []
     el.each do |m|
diff --git a/app/models/protocol.rb b/app/models/protocol.rb
index 80813004a..385dcdd5e 100644
--- a/app/models/protocol.rb
+++ b/app/models/protocol.rb
@@ -147,15 +147,15 @@ class Protocol < ActiveRecord::Base
   end
 
   def linked_modules
-    MyModule.joins(:protocols).where("protocols.parent_id = ?", id)
+    MyModule.joins(:protocols).where('protocols.parent_id = ?', id)
   end
 
   def linked_experiments
-    Experiment.where("id IN (?)", linked_modules.pluck(:experiment_id).uniq)
+    Experiment.where('id IN (?)', linked_modules.pluck(:experiment_id).uniq)
   end
 
-   def linked_projects
-    Project.where("id IN (?)", linked_experiments.pluck(:project_id).uniq)
+  def linked_projects
+    Project.where('id IN (?)', linked_experiments.pluck(:project_id).uniq)
   end
 
   def self.new_blank_for_module(my_module)