1 files changed, 4 insertions, 0 deletions
diff --git a/classes/iterators/IsisNormalSubfieldFilterIterator.php b/classes/iterators/IsisNormalSubfieldFilterIterator.php
index 98494a6..5a3f4ce 100644
--- a/classes/iterators/IsisNormalSubfieldFilterIterator.php
+++ b/classes/iterators/IsisNormalSubfieldFilterIterator.php
@@ -4,6 +4,10 @@
  * Isis normal subfield iterator. Filter out special subfields.
  */
 class IsisNormalSubfieldFilterIterator extends FilterIterator {
+
+  /**
+   * Filter out special subfields.
+   */
   public function accept()
   {
     $field    = $this->getInnerIterator()->field;