diff --git a/pngmem.c b/pngmem.c
index 2fa3627..2c0537f 100644
--- a/pngmem.c
+++ b/pngmem.c
@@ -1,14 +1,14 @@
 
 /* pngmem.c - stub functions for memory allocation
  *
- * libpng 1.0.1
+ * libpng 1.0.1a
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger
  * Copyright (c) 1998, Glenn Randers-Pehrson
- * March 15, 1998
+ * April 21, 1998
  *
- * This file provides a location for all memory allocation.  Users which
+ * This file provides a location for all memory allocation.  Users who
  * need special memory handling are expected to modify the code in this file
  * to meet their needs.  See the instructions at each function.
  */