diff --git a/functions/image.xml b/functions/image.xml
index d4c0e2e3ba..30b6385c1e 100644
--- a/functions/image.xml
+++ b/functions/image.xml
@@ -64,13 +64,21 @@
      "height=xxx width=xxx" string that can be used directly in an IMG
      tag.
      <example>
-      <title>GetImageSize</title>
+      <title>GetImageSize (file)</title>
       <programlisting role="php">
 &lt;?php $size = GetImageSize ("img/flag.jpg"); ?>
 &lt;IMG SRC="img/flag.jpg" &lt;?php echo $size[3]; ?>
       </programlisting>
      </example>
     </para>
+    <para>
+     <example>
+      <title>GetImageSize (URL)</title>
+      <programlisting role="php">
+&lt;?php $size = GetImageSize ("http://www.php.net/gifs/logo.gif"); ?>
+      </programlisting>
+     </example>
+    </para>
     <para>
      The optional <parameter>imageinfo</parameter> parameter allows
      you to extract some extended information from the image
@@ -99,6 +107,11 @@
        This function does not require the GD image library.
       </simpara>
      </note>
+     <note>
+      <simpara>
+       URL support was added in PHP 4.0.5
+      </simpara>
+     </note>
     </para>
    </refsect1>
   </refentry>