diff --git a/config/generic-duet2.cfg b/config/generic-duet2-duex.cfg
similarity index 97%
rename from config/generic-duet2.cfg
rename to config/generic-duet2-duex.cfg
index c2dbf913..fb43c78e 100644
--- a/config/generic-duet2.cfg
+++ b/config/generic-duet2-duex.cfg
@@ -1,5 +1,6 @@
-# This file contains common pin mappings for Duet2 boards. To use
-# this config, the firmware should be compiled for the SAM4E8E.
+# This file contains common pin mappings for Duet2 Eth/Wifi boards
+# that have the Duex expansion board. To use this config, the firmware
+# should be compiled for the SAM4E8E.
 
 # See the example.cfg file for a description of available parameters.
 
diff --git a/test/klippy/printers.test b/test/klippy/printers.test
index c8850483..0cddbe4c 100644
--- a/test/klippy/printers.test
+++ b/test/klippy/printers.test
@@ -71,7 +71,7 @@ CONFIG ../../config/generic-duet2-maestro.cfg
 
 # Printers using the sam4e8e
 DICTIONARY sam4e8e.dict
-CONFIG ../../config/generic-duet2.cfg
+CONFIG ../../config/generic-duet2-duex.cfg
 
 # Printers using the lpc176x
 DICTIONARY lpc176x.dict