diff --git a/appendices/history.xml b/appendices/history.xml
index 8c0ad9ee76..0b9f86a97a 100644
--- a/appendices/history.xml
+++ b/appendices/history.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.20 $ -->
+<!-- $Revision: 1.21 $ -->
 
 <appendix id="history">
  <title>History of PHP and related projects</title>
@@ -145,9 +145,9 @@
   <sect2 id="history.php5">
    <title>PHP 5</title>
    <para>
-    The future of PHP is mainly driven by it's core, the Zend Engine.
+    The future of PHP is mainly driven by its core, the Zend Engine.
     PHP 5 will include the new Zend Engine 2.0. To get more information
-    on this engine, <ulink url="&url.zend.future;">see it's webpage</ulink>.
+    on this engine, <ulink url="&url.zend.future;">see its webpage</ulink>.
    </para>
   </sect2>
  </sect1>