diff --git a/reference/stream/functions/stream-notification-callback.xml b/reference/stream/functions/stream-notification-callback.xml
index ac373e68fb..c0e05ec702 100644
--- a/reference/stream/functions/stream-notification-callback.xml
+++ b/reference/stream/functions/stream-notification-callback.xml
@@ -10,7 +10,7 @@
  <refsect1 role="description"><!-- {{{ -->
   &reftitle.description;
   <methodsynopsis>
-   <type>void</type><methodname>stream_notification_callback</methodname>
+   <type>void</type><methodname><replaceable>stream_notification_callback</replaceable></methodname>
    <methodparam><type>int</type><parameter>notification_code</parameter></methodparam>
    <methodparam><type>int</type><parameter>severity</parameter></methodparam>
    <methodparam><type>string</type><parameter>message</parameter></methodparam>