diff --git a/arm/filter_neon_intrinsics.c b/arm/filter_neon_intrinsics.c
index 9f6fff62f..334c1f5c1 100644
--- a/arm/filter_neon_intrinsics.c
+++ b/arm/filter_neon_intrinsics.c
@@ -1,10 +1,12 @@
 
-/* filter_neon.c - NEON optimised filter functions
+/* filter_neon_intrinsics.c - NEON optimised filter functions
  *
  * Copyright (c) 2013 Glenn Randers-Pehrson
- * Written by James Yu <james.yu@linaro.org>. Oct.2013.
+ * Written by James Yu <james.yu at linaro.org>, October 2013.
  * Based on filter_neon.S, written by Mans Rullgard, 2011.
  *
+ * Last changed in libpng 1.6.7 [(PENDING RELEASE)]
+ *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer
  * and license in png.h
diff --git a/pngrtran.c b/pngrtran.c
index 812d6b8d7..3b7d484fc 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,7 +1,7 @@
 
 /* pngrtran.c - transforms the data in a row for PNG readers
  *
- * Last changed in libpng 1.6.4 [(PENDING RELEASE)]
+ * Last changed in libpng 1.6.4 [August 21, 2013]
  * Copyright (c) 1998-2013 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)