diff --git a/reference/mbstring/functions/mb-detect-encoding.xml b/reference/mbstring/functions/mb-detect-encoding.xml
index c129c1d68a..c1b929bbe5 100644
--- a/reference/mbstring/functions/mb-detect-encoding.xml
+++ b/reference/mbstring/functions/mb-detect-encoding.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
 <!-- splitted from ./en/functions/mbstring.xml, last change in rev 1.1 -->
   <refentry id="function.mb-detect-encoding">
    <refnamediv>
@@ -28,6 +28,11 @@
      If <parameter>encoding_list</parameter> is omitted,
      detect_order is used.
     </para>
+    <para>
+     <parameter>strict</parameter> specifies whether to use
+     the strict encoding detection or not.
+     Default is &false;.
+    </para>
     <para>
      <example>
       <title><function>mb_detect_encoding</function> example</title>