diff --git a/reference/session/functions/session-register.xml b/reference/session/functions/session-register.xml
index a8d873a1cd..6fddfec342 100644
--- a/reference/session/functions/session-register.xml
+++ b/reference/session/functions/session-register.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
 <!-- splitted from ./en/functions/session.xml, last change in rev 1.2 -->
   <refentry id="function.session-register">
    <refnamediv>
@@ -51,7 +51,7 @@
     <para>
      You can also create a session variable by simply setting the
      appropriate member of the <varname>$HTTP_SESSION_VARS</varname>
-     or <varname>$_SESSION</varname> (PHP >= 4.1.0) array.
+     or <varname>$_SESSION</varname> (PHP &gt;= 4.1.0) array.
      <informalexample>
       <programlisting role="php">
 <![CDATA[
diff --git a/reference/zlib/reference.xml b/reference/zlib/reference.xml
index 817b8e57ac..1eb69f5726 100644
--- a/reference/zlib/reference.xml
+++ b/reference/zlib/reference.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
  <reference id="ref.zlib">
   <title>Zlib Compression Functions</title>
   <titleabbrev>Zlib</titleabbrev>
@@ -8,7 +8,7 @@
    This module uses the functions of <ulink
    url="&url.zlib;">zlib</ulink> by Jean-loup Gailly and Mark Adler to
    transparently read and write gzip (.gz) compressed files. You have
-   to use a zlib version >= 1.0.9 with this module.
+   to use a zlib version &gt;= 1.0.9 with this module.
   </para>
   <para>
    This module contains versions of most of the <link