diff --git a/application/models/tables/Files.php b/application/models/tables/Files.php
index b754daa5b1aae096f4f4e7501f3612a263e9363c..3b92324214238f8cedc7b74b17188efd00f2435c 100644
--- a/application/models/tables/Files.php
+++ b/application/models/tables/Files.php
@@ -2,7 +2,7 @@
 
 /**
  *
- * file_id
+ * @primary file_id
  *
  */
 class Files extends Nmc_Db_Table