diff --git a/reference/tidy/functions/tidy-node-is-jsp.xml b/reference/tidy/functions/tidy-node-isPhp.xml
similarity index 67%
rename from reference/tidy/functions/tidy-node-is-jsp.xml
rename to reference/tidy/functions/tidy-node-isPhp.xml
index 7d0914dba9..c9fbe85e6b 100644
--- a/reference/tidy/functions/tidy-node-is-jsp.xml
+++ b/reference/tidy/functions/tidy-node-isPhp.xml
@@ -1,21 +1,27 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
 <!-- $Revision: 1.1 $ -->
-  <refentry id="function.tidy-node-is-jsp">
+  <refentry id="function.tidy-node-isPhp">
    <refnamediv>
-    <refname>tidy_node->is_jsp</refname>
+    <refname>tidy_node->isPhp</refname>
     <refpurpose>
-     Returns true if this node is JSP
+     Returns true if this node is PHP
     </refpurpose>
    </refnamediv>
    <refsect1>
     <title>Description</title>
     <methodsynopsis>
-     <type>bool</type><methodname>tidy_node->is_jsp</methodname>
+     <type>bool</type><methodname>tidy_node->isPhp</methodname>
      <void/>
     </methodsynopsis>
 
-     &warn.undocumented.func;
+    &warn.undocumented.func;
 
+    <note>
+     <para>
+      This functions was named <function>tidy_node->is_php</function> in
+      PHP4/Tidy 1.
+     </para>
+    </note>
    </refsect1>
   </refentry>