diff --git a/src/test/testconfig.sh.example b/src/test/testconfig.sh.example
index 299ed7b44c9bda90c48487ba25cbc9e171fdb07b..cc3b23ed0378cbb300421210ce97e23da90630e8 100644
--- a/src/test/testconfig.sh.example
+++ b/src/test/testconfig.sh.example
@@ -66,6 +66,8 @@
 #
 # /sys/bus/nd/devices/ndbus*/region*/resource
 # /sys/bus/nd/devices/ndbus*/region*/dax*/resource
+# /sys/bus/nd/devices/ndbus*/region*/pfn*/resource
+# /sys/bus/nd/devices/ndbus*/region*/namespace*/resource
 #
 # Note: some tests require write access to '/sys/bus/nd/devices/region*/deep_flush'.
 #