diff --git a/language/references.xml b/language/references.xml
index bfd44707e3..8ecd2b16aa 100644
--- a/language/references.xml
+++ b/language/references.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.43 $ -->
+<!-- $Revision: 1.44 $ -->
  <chapter id="language.references">
   <title>References Explained</title>
 
@@ -364,6 +364,9 @@ $foo->x = 2;
      work as you are attempting to return the result of an
      <emphasis>expression</emphasis>, and not a variable, by reference. You can
      only return variables by reference from a function - nothing else.
+     <constant>E_NOTICE</constant> error is issued since PHP 4.4.0 and PHP
+     5.1.0 if the code tries to return a dynamic expression or a result of the
+     <literal>new</literal> operator.
     </simpara>
    </note>
   </sect1>