diff --git a/plugins/FeedsNodeProcessor.inc b/plugins/FeedsNodeProcessor.inc
index bedfcbd..b084cb6 100644
--- a/plugins/FeedsNodeProcessor.inc
+++ b/plugins/FeedsNodeProcessor.inc
@@ -1,15 +1,15 @@
 <?php
 
 /**
- * Option for handling content in Drupal but not in source data (unpublish
- * instead of skip/delete).
+ * @file
+ * Class definition of FeedsNodeProcessor.
  */
-define('FEEDS_UNPUBLISH_NON_EXISTENT', 'unpublish');
 
 /**
- * @file
- * Class definition of FeedsNodeProcessor.
+ * Option for handling content in Drupal but not in source data (unpublish
+ * instead of skip/delete).
  */
+define('FEEDS_UNPUBLISH_NON_EXISTENT', 'unpublish');
 
 /**
  * Creates nodes from feed items.
@@ -384,7 +384,8 @@ class FeedsNodeProcessor extends FeedsProcessor {
    * Overrides FeedsProcessor::clean()
    * Allow unpublish instead of delete.
    *
-   * @param FeedsState $state The FeedsState object for the given stage.
+   * @param FeedsState $state
+   *   The FeedsState object for the given stage.
    */
   protected function clean(FeedsState $state) {
     // Delegate to parent if not unpublishing or option not set.
diff --git a/plugins/FeedsProcessor.inc b/plugins/FeedsProcessor.inc
index 097f521..603df4e 100755
--- a/plugins/FeedsProcessor.inc
+++ b/plugins/FeedsProcessor.inc
@@ -275,7 +275,8 @@ abstract class FeedsProcessor extends FeedsPlugin {
       return;
     }
     // Remove not included items if needed.
-    // What actually happens to removed items depends on clean function.
+    // It depends on the implementation of the clean() method what will happen
+    // to items that were no longer in the source.
     $this->clean($state);
     $info = $this->entityInfo();
     $tokens = array(
@@ -352,6 +353,7 @@ abstract class FeedsProcessor extends FeedsPlugin {
    * @param FeedsSource $source
    *   Source information about this import.
    * @param FeedsState $state
+   *   The FeedsState object for the given stage.
    */
   protected function initEntitiesToBeRemoved(FeedsSource $source, FeedsState $state) {
     $state->removeList = array();
@@ -383,11 +385,12 @@ abstract class FeedsProcessor extends FeedsPlugin {
   }
 
   /**
-   * Deletes entities which were not found on process.
+   * Deletes entities which were not found during processing.
    *
    * @todo batch delete?
    *
    * @param FeedsState $state
+   *   The FeedsState object for the given stage.
    */
   protected function clean(FeedsState $state) {
     // We clean only if needed.
diff --git a/tests/feeds_processor_entity.test b/tests/feeds_processor_entity.test
index ffb012c..87738c8 100644
--- a/tests/feeds_processor_entity.test
+++ b/tests/feeds_processor_entity.test
@@ -73,7 +73,7 @@ class FeedsEntityProcessorTest extends FeedsWebTestCase {
     $this->assertText('Deleted 10 test entity');
     $this->assertEqual(0, db_query("SELECT COUNT(*) FROM {entity_test}")->fetchField());
 
-    // Import again, to reset node counts
+    // Import again, to reset entity counts.
     $this->importURL('syndication', $GLOBALS['base_url'] . '/' . drupal_get_path('module', 'feeds') . '/tests/feeds/developmentseed.rss2');
     $this->assertText('Created 10 test entity');
     $this->assertEqual(10, db_query("SELECT COUNT(*) FROM {entity_test}")->fetchField());
diff --git a/tests/feeds_processor_node.test b/tests/feeds_processor_node.test
index 53607be..ff9e421 100644
--- a/tests/feeds_processor_node.test
+++ b/tests/feeds_processor_node.test
@@ -305,7 +305,7 @@ class FeedsRSStoNodesTest extends FeedsWebTestCase {
     $this->assertText('Deleted 10 nodes');
     $this->assertFeedItemCount(0);
 
-    // Import again, to reset node counts
+    // Import again, to reset node counts.
     $this->importURL('syndication_standalone', $feed_url);
     $this->assertText('Created 10 nodes');
     $this->assertFeedItemCount(10);