diff --git a/libpng-manual.txt b/libpng-manual.txt
index 41e709206..ced192d4e 100644
--- a/libpng-manual.txt
+++ b/libpng-manual.txt
@@ -1,6 +1,6 @@
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.5.5beta04 - July 27, 2011
+ libpng version 1.5.5beta04 - July 28, 2011
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.5.5beta04 - July 27, 2011
+ libpng versions 0.97, January 1998, through 1.5.5beta04 - July 28, 2011
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
 
@@ -1241,7 +1241,7 @@ pointer into the info_ptr is returned for any complex types.
     members of the text_ptr structure only exist
     when the library is built with iTXt chunk support.
     Prior to libpng-1.4.0, the default build was
-    was without iTXt chunk support.
+    without iTXt chunk support.
 
     num_text       - number of comments (same as
                      num_comments; you can put NULL here
@@ -4500,7 +4500,7 @@ Other rules can be inferred by inspecting the libpng source.
 
 XIV. Y2K Compliance in libpng
 
-July 27, 2011
+July 28, 2011
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
diff --git a/libpng.3 b/libpng.3
index 4129feba5..9ebc328fd 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "July 27, 2011"
+.TH LIBPNG 3 "July 28, 2011"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.5.5beta04
 .SH SYNOPSIS
@@ -955,7 +955,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.5.5beta04 - July 27, 2011
+ libpng version 1.5.5beta04 - July 28, 2011
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
@@ -966,7 +966,7 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.5.5beta04 - July 27, 2011
+ libpng versions 0.97, January 1998, through 1.5.5beta04 - July 28, 2011
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
 
@@ -2196,7 +2196,7 @@ pointer into the info_ptr is returned for any complex types.
     members of the text_ptr structure only exist
     when the library is built with iTXt chunk support.
     Prior to libpng-1.4.0, the default build was
-    was without iTXt chunk support.
+    without iTXt chunk support.
 
     num_text       - number of comments (same as
                      num_comments; you can put NULL here
@@ -5456,7 +5456,7 @@ Other rules can be inferred by inspecting the libpng source.
 
 .SH XIV. Y2K Compliance in libpng
 
-July 27, 2011
+July 28, 2011
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
@@ -5715,7 +5715,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.5.5beta04 - July 27, 2011:
+Libpng version 1.5.5beta04 - July 28, 2011:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -5738,7 +5738,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.5.5beta04, July 27, 2011, are
+libpng versions 1.2.6, August 15, 2004, through 1.5.5beta04, July 28, 2011, are
 Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -5837,7 +5837,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-July 27, 2011
+July 28, 2011
 
 .\" end of man page