diff --git a/functions/classobj.xml b/functions/classobj.xml
index 481f52cdfe..6466f0edf1 100644
--- a/functions/classobj.xml
+++ b/functions/classobj.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.27 $ -->
+<!-- $Revision: 1.28 $ -->
  <reference id="ref.classobj">
   <title>Class/Object Functions</title>
   <titleabbrev>Classes/Objects</titleabbrev>
@@ -323,16 +323,18 @@ call_user_method ("print_info", $cntry, "\t");
     </funcsynopsis>
     <para>
      This function returns the name of the class of which the
-     object <parameter>obj</parameter> is an instance.
+     object <parameter>obj</parameter> is an instance.  Upon 
+     failure, &false; is returned.
     </para>
     <note>
-     <para>
-      <function>get_class</function> returns the class name in
-      lowercase form.
-     </para>
+     <simpara>
+      <function>get_class</function> returns a user defined class name
+      in lowercase.  A class defined in a PHP extension is returned 
+      in its original notation.
+     </simpara>
     </note>
     <simpara>
-     See also <function>get_parent_class</function>,
+     See also <function>get_parent_class</function> and 
      <function>is_subclass_of</function>
     </simpara>
    </refsect1>