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diff --git a/drivers/isdn/Kconfig b/drivers/isdn/Kconfig
index d42fe89cdd..66f946aa30 100644
--- a/drivers/isdn/Kconfig
+++ b/drivers/isdn/Kconfig
@@ -2,12 +2,10 @@
 # ISDN device configuration
 #
 
-menu "ISDN subsystem"
-	depends on !S390
-
-config ISDN
+menuconfig ISDN
 	tristate "ISDN support"
 	depends on NET
+	depends on !S390
 	---help---
 	  ISDN ("Integrated Services Digital Networks", called RNIS in France)
 	  is a special type of fully digital telephone service; it's mostly
@@ -21,14 +19,12 @@ config ISDN
 
 	  Select this option if you want your kernel to support ISDN.
 
+if ISDN
 
-menu "Old ISDN4Linux"
-	depends on NET && ISDN
-
-config ISDN_I4L
-	tristate "Old ISDN4Linux (obsolete)"
+menuconfig ISDN_I4L
+	tristate "Old ISDN4Linux (deprecated)"
 	---help---
-	  This driver allows you to use an ISDN-card for networking
+	  This driver allows you to use an ISDN adapter for networking
 	  connections and as dialin/out device.  The isdn-tty's have a built
 	  in AT-compatible modem emulator.  Network devices support autodial,
 	  channel-bundling, callback and caller-authentication without having
@@ -39,30 +35,28 @@ config ISDN_I4L
 
 	  ISDN support in the linux kernel is moving towards a new API,
 	  called CAPI (Common ISDN Application Programming Interface).
-	  Therefore the old ISDN4Linux layer is becoming obsolete. It is 
-	  still usable, though, if you select this option.
+	  Therefore the old ISDN4Linux layer will eventually become obsolete.
+	  It is still available, though, for use with adapters that are not
+	  supported by the new CAPI subsystem yet.
 
 if ISDN_I4L
 source "drivers/isdn/i4l/Kconfig"
 endif
 
-endmenu
-
-comment "CAPI subsystem"
-	depends on NET && ISDN
-
-config ISDN_CAPI
-	tristate "CAPI2.0 support"
-	depends on ISDN
+menuconfig ISDN_CAPI
+	tristate "CAPI 2.0 subsystem"
 	help
 	  This provides the CAPI (Common ISDN Application Programming
 	  Interface, a standard making it easy for programs to access ISDN
 	  hardware, see <http://www.capi.org/>.  This is needed for AVM's set
 	  of active ISDN controllers like B1, T1, M1.
 
+if ISDN_CAPI
+
 source "drivers/isdn/capi/Kconfig"
 
 source "drivers/isdn/hardware/Kconfig"
 
-endmenu
+endif # ISDN_CAPI
 
+endif # ISDN