diff --git a/docbook/asciidoc.conf b/docbook/asciidoc.conf
index 0c3608c464..694dbbe571 100644
--- a/docbook/asciidoc.conf
+++ b/docbook/asciidoc.conf
@@ -71,7 +71,7 @@ endif::backend-html4,backend-html5,backend-xhtml11[]
 #
 # produces
 #
-#     blue, Fish, One, red, two
+#     blue, Fish, One, red, and two
 [blockdef-sort-and-group]
 delimiter=^--sort-and-group--$
 style=default