diff --git a/doc/guix.texi b/doc/guix.texi
index 51948dc0f7..712f814cdc 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -15755,7 +15755,8 @@ Users need to be in the @code{lp} group to access the D-Bus service.
 
 @defvr {Scheme Variable} gnome-keyring-service-type
 This is the type of the service that adds the
-@uref{https://wiki.gnome.org/Projects/GnomeKeyring, GNOME Keyring}.  Its value is a @code{gnome-keyring-configuration} object (see below.)
+@uref{https://wiki.gnome.org/Projects/GnomeKeyring, GNOME Keyring}.  Its
+value is a @code{gnome-keyring-configuration} object (see below.)
 
 This service adds the @code{gnome-keyring} package to the system profile
 and extends PAM with entries using @code{pam_gnome_keyring.so}, unlocking
@@ -15768,14 +15769,18 @@ Configuration record for the GNOME Keyring service.
 @table @asis
 @item @code{keyring} (default: @code{gnome-keyring})
 The GNOME keyring package to use.
+
 @item @code{pam-services}
-An alist (SERVICE . KIND) of PAM services to extend.  SERVICE is the name
-of an existing service to extend and KIND is one of @code{login} or
-@code{passwd}.  If @code{login} is given, it adds an optional
+A list of @code{(@var{service} . @var{kind})} pairs denoting PAM
+services to extend, where @var{service} is the name of an existing
+service to extend and @var{kind} is one of @code{login} or
+@code{passwd}.
+
+If @code{login} is given, it adds an optional
 @code{pam_gnome_keyring.so} to the auth block without arguments and to
-the session block with @code{auto_start}.
-If @code{passwd} is given, it adds an optional @code{pam_gnome_keyring.so}
-to the password block without arguments.
+the session block with @code{auto_start}.  If @code{passwd} is given, it
+adds an optional @code{pam_gnome_keyring.so} to the password block
+without arguments.
 
 By default, this field contains ``gdm-password'' with the value @code{login}
 and ``passwd'' is with the value @code{passwd}.