diff --git a/reference/var/functions/empty.xml b/reference/var/functions/empty.xml
index 13d4c46d53..abaaab4ed9 100644
--- a/reference/var/functions/empty.xml
+++ b/reference/var/functions/empty.xml
@@ -46,21 +46,10 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   Returns &false; if <parameter>var</parameter> exists and has a non-empty, non-zero value.
+   Returns &false; if <parameter>var</parameter> exists and has a non-empty, non-zero value,
+   aka falsey, see <link linkend="language.types.boolean.casting">conversion to boolean</link>.
    Otherwise returns &true;.
   </para>
-  <para>
-   The following values are considered to be empty:
-   <simplelist>
-    <member><literal>""</literal> (an empty string)</member>
-    <member><literal>0</literal> (0 as an integer)</member>
-    <member><literal>0.0</literal> (0 as a float)</member>
-    <member><literal>"0"</literal> (0 as a string)</member>
-    <member>&null;</member>
-    <member>&false;</member>
-    <member><literal>array()</literal> (an empty array)</member>
-   </simplelist>
-  </para>
  </refsect1>
  <refsect1 role="examples">
   &reftitle.examples;