diff --git a/doc/guix.texi b/doc/guix.texi
index 202d1347f7..a0920adc1c 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -32,7 +32,7 @@ Copyright @copyright{} 2015, 2016, 2017, 2019, 2020 Leo Famulari@*
 Copyright @copyright{} 2015, 2016, 2017, 2018, 2019, 2020 Ricardo Wurmus@*
 Copyright @copyright{} 2016 Ben Woodcroft@*
 Copyright @copyright{} 2016, 2017, 2018 Chris Marusich@*
-Copyright @copyright{} 2016, 2017, 2018, 2019 Efraim Flashner@*
+Copyright @copyright{} 2016, 2017, 2018, 2019, 2020 Efraim Flashner@*
 Copyright @copyright{} 2016 John Darrington@*
 Copyright @copyright{} 2016, 2017 ng0@*
 Copyright @copyright{} 2016, 2017, 2018, 2019 Jan Nieuwenhuizen@*
@@ -18152,7 +18152,7 @@ record as in this example:
 @lisp
 (service prosody-service-type
          (prosody-configuration
-          (modules-enabled (cons "groups" "mam" %default-modules-enabled))
+          (modules-enabled (cons* "groups" "mam" %default-modules-enabled))
           (int-components
            (list
             (int-component-configuration