diff --git a/reference/pcre/functions/preg-filter.xml b/reference/pcre/functions/preg-filter.xml
index f347b4e1a8..0f1330f990 100644
--- a/reference/pcre/functions/preg-filter.xml
+++ b/reference/pcre/functions/preg-filter.xml
@@ -24,6 +24,13 @@
   </para>
  </refsect1>
 
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <para>
+   Parameters are described in the documentation for <function>preg_replace</function>.
+  </para>
+ </refsect1>
+
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>