diff --git a/link.module b/link.module
index c8d0ed5..5c25b4f 100644
--- a/link.module
+++ b/link.module
@@ -371,6 +371,22 @@ function _link_load($field, $item, $instance) {
 
 /**
  * Prepares the item attributes and url for storage.
+ *
+ * @param $item
+ *    Link field values.
+ *
+ * @param $delta
+ *    The sequence number for current values.
+ *
+ * @param $field
+ *    The field structure array.
+ *
+ * @param $entity
+ *    Entity object.
+ *
+ * @param $instance
+ *    The instance structure for $field on $entity's bundle.
+ *
  */
 function _link_process(&$item, $delta, $field, $entity, $instance) {
   // Trim whitespace from URL.
@@ -1187,6 +1203,9 @@ function link_cleanup_url($url, $protocol = 'http') {
  * @param $text
  *   Url to be validated.
  *
+ * @param $langcode
+ *   An optional language code to look up the path in.
+ *
  * @return boolean
  *   True if a valid link, FALSE otherwise.
  */