diff --git a/appendices/migration51.xml b/appendices/migration51.xml
index 48768e5d70..dab124c25b 100644
--- a/appendices/migration51.xml
+++ b/appendices/migration51.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <appendix id="migration51">
  <title>Migrating from PHP 5.0.x to PHP 5.1.x</title>
 
@@ -493,8 +493,7 @@ class Derived extends Base {
   <section id="migration51.oop-constants">
    <title>Class constants</title>
    <para>
-    Under PHP 5.1.x, redefinition of a class constant will throw a fatal
-    E_ERROR.
+    Under PHP 5.0.x, the following code was valid:
    </para>
    <informalexample>
     <para>