diff --git a/LICENSE b/LICENSE
index b7b06fb..70e19c6 100644
--- a/LICENSE
+++ b/LICENSE
@@ -5,7 +5,7 @@
 Copyright (c) 1996, 1997 Andreas Dilger
 (libpng versions 0.90, December 1996, through 0.96, May 1997)
 Copyright (c) 1998, 1999 Glenn Randers-Pehrson
-(libpng versions 0.97, January 1998, through 1.0.5, October 5, 1999)
+(libpng versions 0.97, January 1998, through 1.0.5, October 15, 1999)
 
 For the purposes of this copyright and license, "Contributing Authors"
 is defined as the following set of individuals:
@@ -54,6 +54,17 @@
 source code in a product, acknowledgment is not required but would be
 appreciated.
 
+A "png_get_copyright" function is available, for convenient use in "about"
+boxes and the like:
+
+   printf("%s",png_get_copyright(NULL));
+
+Also, the PNG logo (in PNG format, of course) is supplied in the
+file "pngnow.png".
+
+Libpng is OSI Certified Open Source Software.  OSI Certified is a
+certification mark of the Open Source Initiative.
+
 Glenn Randers-Pehrson
 randeg@alum.rpi.edu
-October 5, 1999
+October 15, 1999