diff --git a/ANNOUNCE b/ANNOUNCE
index 19185f852..342544fac 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.6.11beta01 - March 8, 2014
+Libpng 1.6.11beta01 - March 9, 2014
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -26,8 +26,9 @@ Other information:
 
 Changes since the last public release (1.6.10):
 
-Version 1.6.11beta01 [March 8, 2014]
+Version 1.6.11beta01 [March 9, 2014]
   Use "if (value != 0)" instead of "if (value)" consistently.
+  Changed ZlibSrcDir from 1.2.5 to 1.2.8 in projects/vstudio.
 
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diff --git a/CHANGES b/CHANGES
index aaae845db..cc01be081 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4875,8 +4875,9 @@ Version 1.6.10rc03 [March 4, 2014]
 Version 1.6.10 [March 6, 2014]
   No changes.
 
-Version 1.6.11beta01 [March 8, 2014]
+Version 1.6.11beta01 [March 9, 2014]
   Use "if (value != 0)" instead of "if (value)" consistently.
+  Changed ZlibSrcDir from 1.2.5 to 1.2.8 in projects/vstudio.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index aee81e187..949a42a28 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.6.11beta01 - March 7, 2014
+ * libpng version 1.6.11beta01 - March 9, 2014
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
@@ -24,7 +24,7 @@
 	 source.
 
 	 If you use a relative directory name (as below) then it must be
-	 relative to the project directories; these are one level deepers than
+	 relative to the project directories; these are one level deeper than
 	 the directories containing this file.
 
 	 If the version of zlib you use does not match that used when the
@@ -32,7 +32,7 @@
 	 versions do not match.  The zlib version used in this build is recorded
 	 below:
      -->
-    <ZLibSrcDir>..\..\..\..\zlib-1.2.5</ZLibSrcDir>
+    <ZLibSrcDir>..\..\..\..\zlib-1.2.8</ZLibSrcDir>
 
     <!-- The following line allows compilation for an ARM target with Visual
          Studio 2012.  Notice that this is not supported by the Visual Studio