diff --git a/reference/statistics/functions/stats-cdf-chisquare.xml b/reference/statistics/functions/stats-cdf-chisquare.xml
index 99339f522f..0661654c6c 100755
--- a/reference/statistics/functions/stats-cdf-chisquare.xml
+++ b/reference/statistics/functions/stats-cdf-chisquare.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <!-- Generated by xml_proto.php v2.3. Found in /scripts directory of phpdoc. -->
 <refentry id="function.stats-cdf-chisquare">
  <refnamediv>
@@ -12,7 +12,6 @@
    <type>float</type><methodname>stats_cdf_chisquare</methodname>
    <methodparam><type>float</type><parameter>par1</parameter></methodparam>
    <methodparam><type>float</type><parameter>par2</parameter></methodparam>
-   <methodparam><type>float</type><parameter>par3</parameter></methodparam>
    <methodparam><type>int</type><parameter>which</parameter></methodparam>
   </methodsynopsis>
 
@@ -39,14 +38,6 @@
       </para>
      </listitem>
     </varlistentry>
-    <varlistentry>
-     <term><parameter>par3</parameter></term>
-     <listitem>
-      <para>
-       Its description
-      </para>
-     </listitem>
-    </varlistentry>
     <varlistentry>
      <term><parameter>which</parameter></term>
      <listitem>
diff --git a/reference/statistics/functions/stats-cdf-poisson.xml b/reference/statistics/functions/stats-cdf-poisson.xml
index 8eb3a05b7c..a3fab616b9 100755
--- a/reference/statistics/functions/stats-cdf-poisson.xml
+++ b/reference/statistics/functions/stats-cdf-poisson.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <!-- Generated by xml_proto.php v2.3. Found in /scripts directory of phpdoc. -->
 <refentry id="function.stats-cdf-poisson">
  <refnamediv>
@@ -12,7 +12,6 @@
    <type>float</type><methodname>stats_cdf_poisson</methodname>
    <methodparam><type>float</type><parameter>par1</parameter></methodparam>
    <methodparam><type>float</type><parameter>par2</parameter></methodparam>
-   <methodparam><type>float</type><parameter>par3</parameter></methodparam>
    <methodparam><type>int</type><parameter>which</parameter></methodparam>
   </methodsynopsis>
 
@@ -39,14 +38,6 @@
       </para>
      </listitem>
     </varlistentry>
-    <varlistentry>
-     <term><parameter>par3</parameter></term>
-     <listitem>
-      <para>
-       Its description
-      </para>
-     </listitem>
-    </varlistentry>
     <varlistentry>
      <term><parameter>which</parameter></term>
      <listitem>
diff --git a/reference/statistics/functions/stats-harmonic-mean.xml b/reference/statistics/functions/stats-harmonic-mean.xml
index 557a071c01..f1482f4e32 100755
--- a/reference/statistics/functions/stats-harmonic-mean.xml
+++ b/reference/statistics/functions/stats-harmonic-mean.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <!-- Generated by xml_proto.php v2.3. Found in /scripts directory of phpdoc. -->
 <refentry id="function.stats-harmonic-mean">
  <refnamediv>
@@ -9,7 +9,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>float</type><methodname>stats_harmonic_mean</methodname>
+   <type>number</type><methodname>stats_harmonic_mean</methodname>
    <methodparam><type>array</type><parameter>a</parameter></methodparam>
   </methodsynopsis>
 
diff --git a/reference/statistics/functions/stats-standard-deviation.xml b/reference/statistics/functions/stats-standard-deviation.xml
index 9bd37349c0..d343adf1ab 100755
--- a/reference/statistics/functions/stats-standard-deviation.xml
+++ b/reference/statistics/functions/stats-standard-deviation.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <!-- Generated by xml_proto.php v2.3. Found in /scripts directory of phpdoc. -->
 <refentry id="function.stats-standard-deviation">
  <refnamediv>
@@ -10,9 +10,8 @@
   &reftitle.description;
   <methodsynopsis>
    <type>float</type><methodname>stats_standard_deviation</methodname>
-   <methodparam choice="opt"><type>array</type><parameter>a</parameter></methodparam>
+   <methodparam><type>array</type><parameter>a</parameter></methodparam>
    <methodparam choice="opt"><type>bool</type><parameter>sample</parameter></methodparam>
-   <methodparam choice="opt"><type>=</type><parameter>false</parameter></methodparam>
   </methodsynopsis>
 
   &warn.undocumented.func;
@@ -38,14 +37,6 @@
       </para>
      </listitem>
     </varlistentry>
-    <varlistentry>
-     <term><parameter>false</parameter></term>
-     <listitem>
-      <para>
-       Its description
-      </para>
-     </listitem>
-    </varlistentry>
    </variablelist>
   </para>
  </refsect1>