diff --git a/src/util/list.c b/src/util/list.c
index 286172a..8ebb23e 100644
--- a/src/util/list.c
+++ b/src/util/list.c
@@ -1,14 +1,17 @@
-//
-// Author: David Muto
-// https://gist.github.com/pseudomuto/6334796#file-list-c
-//
-//  Modified by:
-//         Michael E. Tryby
-//         US EPA ORD
-//
-// Accessed on: April 9, 2019
-//
-
+/*
+ ******************************************************************************
+ Project:      OWA EPANET
+ Version:      2.2
+ Module:       util/list.h
+ Description:  Generic list
+			   https://gist.github.com/pseudomuto/6334796#file-list-c
+			   Accessed: April 9, 2019
+ Authors:      David Muto, Modified by Michael E. Tryby
+ Copyright:    see AUTHORS
+ License:      see LICENSE
+ Last Updated: 04/09/2019
+ ******************************************************************************
+*/
 
 #ifdef _DEBUG
 #define _CRTDBG_MAP_ALLOC
diff --git a/src/util/list.h b/src/util/list.h
index 0a84753..264975d 100644
--- a/src/util/list.h
+++ b/src/util/list.h
@@ -1,14 +1,17 @@
-//
-// Author: David Muto
-// https://gist.github.com/pseudomuto/6334796#file-list-h
-//
-//  Modified by:
-//         Michael E. Tryby
-//         US EPA ORD
-//
-// Accessed on: April 9, 2019
-//
-
+/*
+ ******************************************************************************
+ Project:      OWA EPANET
+ Version:      2.2
+ Module:       util/list.h
+ Description:  Generic list
+               https://gist.github.com/pseudomuto/6334796#file-list-h 
+               Accessed: April 9, 2019
+ Authors:      David Muto, Modified by Michael E. Tryby
+ Copyright:    see AUTHORS
+ License:      see LICENSE
+ Last Updated: 04/09/2019
+ ******************************************************************************
+*/
 
 #ifndef LIST_H
 #define LIST_H