diff --git a/reference/ibase/functions/ibase-trans.xml b/reference/ibase/functions/ibase-trans.xml
index c9eee63042..b9cdf57eeb 100644
--- a/reference/ibase/functions/ibase-trans.xml
+++ b/reference/ibase/functions/ibase-trans.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- splitted from ./en/functions/ibase.xml, last change in rev 1.23 -->
   <refentry id="function.ibase-trans">
    <refnamediv>
@@ -22,6 +22,16 @@
      IBASE_CONCURRENCY, IBASE_REC_VERSION, IBASE_REC_NO_VERSION,
      IBASE_WAIT and IBASE_NOWAIT.
     </para>
+    <note>
+     <para>
+      The behaviour of this function has been changed in PHP 5.0.0. The first call
+      to <function>ibase_trans</function> will not return the default transaction
+      of a connection. All transactions started by <function>ibase_trans</function>
+      will be rolled back at the end of the script if they were not committed or
+      rolled back by either <function>ibase_commit</function> or 
+      <function>ibase_rollback</function>.
+     </para>
+    </note>
    </refsect1>
   </refentry>