diff --git a/reference/lzf/book.xml b/reference/lzf/book.xml
index b89e5018fa..7ba161e0b4 100644
--- a/reference/lzf/book.xml
+++ b/reference/lzf/book.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- Purpose: compression -->
 <!-- Membership: pecl -->
  
@@ -13,7 +13,8 @@
   <para>
    LZF is a very fast compression algorithm, ideal for saving space with
    only slight speed cost. It can be optimized for speed or space at the
-   time of compilation.
+   time of compilation. This extension is using <link xlink:href="&url.liblzf;">liblzf</link>
+   library by Marc Lehmann for its operations.
   </para>
  </preface>
  <!-- }}} -->
diff --git a/reference/lzf/functions/lzf-compress.xml b/reference/lzf/functions/lzf-compress.xml
index 65f9d25aba..46e0e59e0a 100644
--- a/reference/lzf/functions/lzf-compress.xml
+++ b/reference/lzf/functions/lzf-compress.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.7 $ -->
+<!-- $Revision: 1.8 $ -->
 <!-- Generated by xml_proto.php v2.0. Found in /scripts directory of phpdoc. -->
 <refentry xml:id="function.lzf-compress" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -15,8 +15,8 @@
    <methodparam><type>string</type><parameter>data</parameter></methodparam>
   </methodsynopsis>
   <para>
-   <function>lzf_compress</function> compresses the given 
-   <parameter>data</parameter>.
+   <function>lzf_compress</function> compresses the given
+   <parameter>data</parameter> string using LZF encoding.
   </para>
  </refsect1>
  <refsect1 role="parameters">
diff --git a/reference/lzf/functions/lzf-decompress.xml b/reference/lzf/functions/lzf-decompress.xml
index db3c0fa80d..9cf5a0b652 100644
--- a/reference/lzf/functions/lzf-decompress.xml
+++ b/reference/lzf/functions/lzf-decompress.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.8 $ -->
+<!-- $Revision: 1.9 $ -->
 <!-- Generated by xml_proto.php v2.0. Found in /scripts directory of phpdoc. -->
 <refentry xml:id="function.lzf-decompress" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -15,8 +15,8 @@
    <methodparam><type>string</type><parameter>data</parameter></methodparam>
   </methodsynopsis>
   <para>
-   <function>lzf_compress</function> decompresses the given 
-   <parameter>data</parameter>.
+   <function>lzf_compress</function> decompresses the given
+   <parameter>data</parameter> string containing lzf encoded data.
   </para>
  </refsect1>
  <refsect1 role="parameters">
diff --git a/reference/lzf/functions/lzf-optimized-for.xml b/reference/lzf/functions/lzf-optimized-for.xml
index 150ecc8dca..5e513b03d9 100644
--- a/reference/lzf/functions/lzf-optimized-for.xml
+++ b/reference/lzf/functions/lzf-optimized-for.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
 <!-- Generated by xml_proto.php v2.0. Found in /scripts directory of phpdoc. -->
 <refentry xml:id="function.lzf-optimized-for" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -15,7 +15,7 @@
    <void/>
   </methodsynopsis>
   <para>
-   Determines for what the LZF extension was optimised.
+   Determines what was LZF extension optimized for during compilation.
   </para>
  </refsect1>
  <refsect1 role="returnvalues">