diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index d203193ad..ffea62827 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -108,11 +108,11 @@ First a summary, then a detailed log.</para>
 </itemizedlist>
 </listitem>
 
-<listitem><para>July  22nd, 2005 [matt]: Updated to man-pages-2.07.</para></listitem>
+<listitem><para>July  23rd, 2005 [matt]: Updated to man-pages-2.07.</para></listitem>
 
-<listitem><para>July  22nd, 2005 [matt]: Updated to zlib-1.2.3.</para></listitem>
+<listitem><para>July  23rd, 2005 [matt]: Updated to zlib-1.2.3.</para></listitem>
 
-<listitem><para>July  22th, 2005 [manuel]: Added obfuscate.sh and modified the
+<listitem><para>July  22nd, 2005 [manuel]: Added obfuscate.sh and modified the
 Makefile to obfuscate e-mail addresses in XHTML output.</para></listitem>
 
 <listitem><para>July  19th, 2005 [matt]: Removed flex++ from the list of installed files, as it is no longer present (Randy McMurchy)</para></listitem>