diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 9f6d42bd0..58c013bdf 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -78,7 +78,7 @@
       <para>2024-03-29</para>
       <itemizedlist>
         <listitem>
-           <para>[bdubbs] - Revert to xz-5.4.6 due to uptream 
+           <para>[bdubbs] - Revert to xz-5.4.6 due to upstream 
            compromise.</para>
         </listitem>
       </itemizedlist>