diff --git a/reference/imagick/imagick/shadeimage.xml b/reference/imagick/imagick/shadeimage.xml
index 023c409ae3..c02b7113d7 100644
--- a/reference/imagick/imagick/shadeimage.xml
+++ b/reference/imagick/imagick/shadeimage.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.6 $ -->
+<!-- $Revision: 1.7 $ -->
 <refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.imagick-shadeimage">
  <refnamediv>
   <refname>Imagick::shadeImage</refname>
@@ -14,12 +14,13 @@
    <methodparam><type>float</type><parameter>azimuth</parameter></methodparam>
    <methodparam><type>float</type><parameter>elevation</parameter></methodparam>
   </methodsynopsis>
-  &warn.undocumented.func;
+
   <para>
    Shines a distant light on an image to create a three-dimensional effect.
    You control the positioning of the light with azimuth and elevation;
    azimuth is measured in degrees off the x axis and elevation is measured
    in pixels above the Z axis.
+   &imagick.method.available.0x629;
   </para>
  </refsect1>
 
@@ -31,6 +32,7 @@
      <term><parameter>gray</parameter></term>
      <listitem>
       <para>
+       A value other than zero shades the intensity of each pixel.
       </para>
      </listitem>
     </varlistentry>
@@ -38,6 +40,7 @@
      <term><parameter>azimuth</parameter></term>
      <listitem>
       <para>
+       Defines the light source direction.
       </para>
      </listitem>
     </varlistentry>
@@ -45,6 +48,7 @@
      <term><parameter>elevation</parameter></term>
      <listitem>
       <para>
+       Defines the light source direction.
       </para>
      </listitem>
     </varlistentry>