diff --git a/language/functions.xml b/language/functions.xml
index 1987d3ef8610..3b0ecc4655e1 100644
--- a/language/functions.xml
+++ b/language/functions.xml
@@ -641,7 +641,7 @@ array_fill(start_index: 0, count: 100, value: 50);
      <programlisting role="php">
       <![CDATA[
 <?php
-array_fill(value: 50, num: 100, start_index: 0);
+array_fill(value: 50, count: 100, start_index: 0);
 ?>
 ]]>
      </programlisting>