diff --git a/functions/math.xml b/functions/math.xml
index f959eb890a..56afce3a6c 100644
--- a/functions/math.xml
+++ b/functions/math.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.69 $ -->
+<!-- $Revision: 1.70 $ -->
  <reference id="ref.math">
   <title>Mathematical Functions</title>
   <titleabbrev>Math</titleabbrev>
@@ -1152,9 +1152,8 @@ $randval = mt_rand();
     </funcsynopsis>
     <para>
      Returns the decimal equivalent of the octal number
-     represented by the octal_string argument.
-     OctDec converts an octal string to a decimal number. The largest
-     number that can be converted is 17777777777 or 2147483647 in
+     represented by the <parameter>octal_string</parameter> argument.
+     The largest number that can be converted is 17777777777 or 2147483647 in
      decimal.
     </para>
     <para>
@@ -1222,7 +1221,7 @@ echo M_PI; // 3.1415926535898
     </para>
     <example>
      <title>Some examples of <function>pow</function></title>
-		 <programlisting role="php">
+     <programlisting role="php">
 <![CDATA[
 <?php