diff --git a/reference/stream/functions/stream-register-filter.xml b/reference/stream/functions/stream-register-filter.xml
index db7e243111..e14d6fe13a 100644
--- a/reference/stream/functions/stream-register-filter.xml
+++ b/reference/stream/functions/stream-register-filter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
   <refentry id="function.stream-register-filter">
    <refnamediv>
     <refname>stream_register_filter</refname>
@@ -53,7 +53,7 @@
      increment <parameter>consumed</parameter> by $bucket->datalen for each $bucket.
      If the stream is in the process of closing (and therefore this is the last pass
      through the filterchain), the <parameter>closing</parameter> parameter will be
-     set to &TRUE;  The <methodname>filter</methodname> method must return one of
+     set to &true;  The <methodname>filter</methodname> method must return one of
      three values upon completion.  <constant>PSFS_PASS_ON</constant> indicates
      success with data available in the <parameter>out</parameter> <literal>bucket brigade</literal>.
      <constant>PSFS_FEED_ME</constant> indicates that the filter has no data