diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 510d48b0b..c5ecef2d1 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -41,8 +41,8 @@
       <itemizedlist>
         <listitem>
           <para>[manuel] - Changed typography convections. From now,
-          eplaceable text is encamsulated inside &lt; $gt:, optional text
-          inside [ ], and libraries extensions inside { }. Thanks to
+          replaceable text is encapsulated inside &lt; $gt:, optional text
+          inside [ ], and library extensions inside { }. Thanks to
           Bruce Dubbs for submint the patch.</para>
         </listitem>
       </itemizedlist>