diff --git a/ItemRelationsPlugin.php b/ItemRelationsPlugin.php
index c7ea91c..4c6a96d 100644
--- a/ItemRelationsPlugin.php
+++ b/ItemRelationsPlugin.php
@@ -41,7 +41,7 @@ class ItemRelationsPlugin extends Omeka_Plugin_AbstractPlugin
         'admin_navigation_main',
 	'api_resources',
     );
-    
+
     public function filterApiResources($apiResources)
     {
         // For the resource URI: /api/your_resources/[:id]
@@ -71,16 +71,16 @@ public function filterApiResources($apiResources)
             'record_type' => 'ItemRelationsVocabulary',
             // List of actions available for your resource.
             'actions' => array(
-                'index',  // GET request without ID 
+                'index',  // GET request without ID
                 'get',    // GET request with ID
                 'post',   // POST request
                 'put',    // PUT request (ID is required)
                 'delete', // DELETE request (ID is required)
-            ), 
+            ),
             // List of GET parameters available for your index action.
             'index_params' => array('label', 'id', 'name', 'namespace_uri', 'namespace_prefix'),
         );
-    
+
         //Added GET only for looking up properties, TODO Post and Put
         $apiResources['item_relations_properties'] = array(
             // Module associated with your resource.
@@ -99,7 +99,7 @@ public function filterApiResources($apiResources)
             // List of GET parameters available for your index action.
             'index_params' => array('label', 'id', 'vocabulary_id'),
         );
-    /*    
+    /*
         //Added GET only
         $apiResources['autocomplete_item'] = array(
             // Module associated with your resource.
@@ -371,7 +371,7 @@ public function hookAdminItemsSearch()
             'formSelectProperties' => get_table_options('ItemRelationsProperty'))
         );
     }
-    
+
     /**
      * Save the item relations after saving an item add/edit form.
      *
diff --git a/models/ItemRelationsProperty.php b/models/ItemRelationsProperty.php
index 88b040e..9ba2468 100644
--- a/models/ItemRelationsProperty.php
+++ b/models/ItemRelationsProperty.php
@@ -31,10 +31,10 @@ class ItemRelationsProperty extends Omeka_Record_AbstractRecord implements Zend_
      * @var string
      */
     public $friendly_part;
-    
+
     /**
      * Human-readable name for the property.
-     * @var string 
+     * @var string
      */
     public $label;
 
@@ -66,7 +66,7 @@ public function getText()
             && $this->friendly_part
         ) {
             $text = $this->friendly_part;
-            
+
         } else if ($hasLabel) {
             $text = $this->label;
         } else {
@@ -75,8 +75,8 @@ public function getText()
 
         return $text;
     }
-    
-    
+
+
      /**
      * Identify records as relating to their ACL resource.
      *
diff --git a/models/ItemRelationsRelation.php b/models/ItemRelationsRelation.php
index 5329a0d..f7eaa58 100644
--- a/models/ItemRelationsRelation.php
+++ b/models/ItemRelationsRelation.php
@@ -30,7 +30,7 @@ class ItemRelationsRelation extends Omeka_Record_AbstractRecord  implements Zend
      */
     public $object_item_id;
    protected function _validate()
-    { 
+    {
         //echo "Validating";
 	if (empty($this->subject_item_id)) {
             $this->addError('subject_item_id', __('Relation requires subject item ID.'));
@@ -57,7 +57,7 @@ public function getPropertyText()
     }
     /**
     /* Identify ItemRelationsRelation records as relating to the ItemRelationsRelations ACL resource.
-     * 
+     *
      * @return string
      */
     public function getResourceId()