diff --git a/INSTALL b/INSTALL
index 0e75307..a294ffe 100644
--- a/INSTALL
+++ b/INSTALL
@@ -189,7 +189,7 @@
 VIII. Configuring libpng for 16-bit platforms
 
 You will want to look into zconf.h to tell zlib (and thus libpng) that
-it cannot allocate more then 64K at a time.  Even if you can, the memory
+it cannot allocate more than 64K at a time.  Even if you can, the memory
 won't be accessible.  So limit zlib and libpng to 64K by defining MAXSEG_64K.
 
 IX. Configuring for DOS
diff --git a/LICENSE b/LICENSE
index 23e866a..d037752 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.6.17rc02, March 6, 2015, are
+libpng versions 1.2.6, August 15, 2004, through 1.6.17rc02, March 9, 2015, are
 Copyright (c) 2004, 2006-2015 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
@@ -108,4 +108,4 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-March 6, 2015
+March 9, 2015
diff --git a/README b/README
index 64cb5ae..9313c03 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.6.17rc02 - March 6, 2015 (shared library 16.0)
+README for libpng version 1.6.17rc02 - March 9, 2015 (shared library 16.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
diff --git a/contrib/libtests/pngunknown.c b/contrib/libtests/pngunknown.c
index b8c4899..309ee60 100644
--- a/contrib/libtests/pngunknown.c
+++ b/contrib/libtests/pngunknown.c
@@ -1242,4 +1242,4 @@
    /* So the test is skipped: */
    return 77;
 }
-#endif /* SET_UNKNOWN_CHUNKS && READ*/
+#endif /* SET_UNKNOWN_CHUNKS && READ */
diff --git a/contrib/tools/pngfix.c b/contrib/tools/pngfix.c
index fce56de..f788f0b 100644
--- a/contrib/tools/pngfix.c
+++ b/contrib/tools/pngfix.c
@@ -2138,7 +2138,7 @@
           *
           * z-rc is the zlib failure code; message is the error message with
           * spaces replaced by '-'.  The compressed byte count indicates where
-          * in the zlib stream the error occured.
+          * in the zlib stream the error occurred.
           */
          type_name(zlib->chunk->chunk_type, stdout);
          printf(" SKP %s %d %s ", zlib_flevel(zlib), zlib->file_bits,
@@ -3757,7 +3757,7 @@
 "  non-zero code is returned).",
 "    0x10: The file could not be read, even with corrections.",
 "    0x20: The output file could not be written.",
-"    0x40: An unexpected, potentially internal, error occured.",
+"    0x40: An unexpected, potentially internal, error occurred.",
 "  If the command line arguments are incorrect the program exits with exit",
 "  255.  Some older operating systems only support 7-bit exit codes, on those",
 "  systems it is suggested that this program is first tested by supplying",
diff --git a/libpngpf.3 b/libpngpf.3
index 44ec465..ff0577f 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "March 6, 2015"
+.TH LIBPNGPF 3 "March 9, 2015"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.17rc02
 (private functions)
diff --git a/png.5 b/png.5
index 8bee2f7..1ae3ec6 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "March 6, 2015"
+.TH PNG 5 "March 9, 2015"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.h b/png.h
index 9db5b1c..51817c9 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.6.17rc02, March 7, 2015
+ * libpng version 1.6.17rc02, March 9, 2015
  *
  * Copyright (c) 1998-2015 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -12,7 +12,7 @@
  * Authors and maintainers:
  *   libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *   libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- *   libpng versions 0.97, January 1998, through 1.6.17rc02, March 7, 2015: Glenn
+ *   libpng versions 0.97, January 1998, through 1.6.17rc02, March 9, 2015: Glenn
  *   See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -246,7 +246,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.6.17rc02, March 7, 2015, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.6.17rc02, March 9, 2015, are
  * Copyright (c) 2004, 2006-2015 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:
@@ -358,7 +358,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    March 7, 2015
+ *    March 9, 2015
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -428,7 +428,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.6.17rc02"
 #define PNG_HEADER_VERSION_STRING \
-     " libpng version 1.6.17rc02 - March 7, 2015\n"
+     " libpng version 1.6.17rc02 - March 9, 2015\n"
 
 #define PNG_LIBPNG_VER_SONUM   16
 #define PNG_LIBPNG_VER_DLLNUM  16
diff --git a/projects/vstudio/readme.txt b/projects/vstudio/readme.txt
index d95f975..4cac8aa 100644
--- a/projects/vstudio/readme.txt
+++ b/projects/vstudio/readme.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.6.17rc02 - March 6, 2015
+libpng version 1.6.17rc02 - March 9, 2015
 
 Copyright (c) 1998-2010 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index 9d5c79b..ef3f5c2 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.6.17rc02 - March 6, 2015
+ * libpng version 1.6.17rc02 - March 9, 2015
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index 91bf6ad..d8a81fb 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.6.17rc02 - March 6, 2015
+Makefiles for  libpng version 1.6.17rc02 - March 9, 2015
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index dd7c2e7..b157f87 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -2,7 +2,7 @@
 
 /* pnglibconf.h - library build configuration */
 
-/* Libpng version 1.6.17rc02 - March 6, 2015 */
+/* Libpng version 1.6.17rc02 - March 9, 2015 */
 
 /* Copyright (c) 1998-2014 Glenn Randers-Pehrson */