diff --git a/doc/guix.texi b/doc/guix.texi
index 39c6468651..650d5cb91c 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -29,7 +29,7 @@ Copyright @copyright{} 2014, 2015, 2016 Alex Kost@*
 Copyright @copyright{} 2015, 2016 Mathieu Lirzin@*
 Copyright @copyright{} 2014 Pierre-Antoine Rault@*
 Copyright @copyright{} 2015 Taylan Ulrich Bayırlı/Kammer@*
-Copyright @copyright{} 2015, 2016, 2017, 2019, 2020, 2021 Leo Famulari@*
+Copyright @copyright{} 2015, 2016, 2017, 2019, 2020, 2021, 2023 Leo Famulari@*
 Copyright @copyright{} 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Ricardo Wurmus@*
 Copyright @copyright{} 2016 Ben Woodcroft@*
 Copyright @copyright{} 2016, 2017, 2018, 2021 Chris Marusich@*
@@ -9134,6 +9134,10 @@ can be used to force the package to be built for that architecture and
 operating system.  The combinations known to Go can be found
 @url{https://golang.org/doc/install/source#environment,
 in their documentation}.
+
+The key @code{#:go} can be used to specify the Go compiler with which to
+build the package.
+
 @end defvr
 
 @defvr {Scheme Variable} glib-or-gtk-build-system