diff --git a/reference/pcre/functions/preg-filter.xml b/reference/pcre/functions/preg-filter.xml
index 78472bf9be..6e41ee258d 100644
--- a/reference/pcre/functions/preg-filter.xml
+++ b/reference/pcre/functions/preg-filter.xml
@@ -30,9 +30,9 @@
    parameter is an <type>array</type>, or a <type>string</type> otherwise.
   </para>
   <para>
-   If matches are found, the new <parameter>subject</parameter> will
-   be returned, otherwise <parameter>subject</parameter> will be
-   returned unchanged or &null; if an error occurred.
+   If no matches are found or an error occurred, an empty <type>array</type> 
+   is returned when <parameter>subject</parameter> is an <type>array</type>
+   or &null; otherwise.
   </para>
  </refsect1>