--- a/README	Sun Jan 14 20:45:51 2018 +0000
+++ b/README	Sun Jan 14 21:00:21 2018 +0000
@@ -16,11 +16,11 @@
 
 * One can play with FreeCalypso and get a taste for it using certain hardware
   that used to be readily available and which most people in the phone hacking
-  scene already have: Motorola C139 and Pirelli DP-L10.  Firmware images of the
-  "hacking toy" sort can be built for both of these models from the present
-  source tree, and one can exercise most of the functions and capabilities of
+  scene already have: Motorola C1xx and Pirelli DP-L10.  Firmware images of the
+  "hacking toy" sort can be built for these devices from the present source
+  tree, and one can exercise most of the functions and capabilities of
   FreeCalypso (with the notable exception of CSD and GPRS) on this historical
-  but available-to-most-people hardware.  See doc/C139-Howto, doc/Pirelli-Howto
+  but available-to-most-people hardware.  See doc/C1xx-Howto, doc/Pirelli-Howto
   and doc/Voice-pseudo-modem for more information.
 
 Functionality