diff --git a/reference/classobj/functions/get-class.xml b/reference/classobj/functions/get-class.xml
index 7a2d4fb069..dd372ac318 100644
--- a/reference/classobj/functions/get-class.xml
+++ b/reference/classobj/functions/get-class.xml
@@ -23,7 +23,7 @@
      <term><parameter>object</parameter></term>
      <listitem>
       <para>
-       The tested object
+       The tested object. This parameter may be omitted when inside a class.
       </para>
      </listitem>
     </varlistentry>
@@ -37,12 +37,16 @@
    instance. Returns &false; if <parameter>object</parameter> is not an 
    object.
   </para>
+  <para>
+   If <parameter>object</parameter> is omitted when inside a class, the
+   name of that class is returned.
+  </para>
  </refsect1>
  <refsect1 role="errors">
   &reftitle.errors;
   <para>
-   If get_class() is called with anything other than an object, an <constant>E_WARNING</constant>
-   level error is raised.
+   If <function>get_class</function> is called with anything other than an
+   object, an <constant>E_WARNING</constant> level error is raised.
   </para>
  </refsect1>
  <refsect1 role="changelog">