diff --git a/src/modules/contextualprocess/contextualprocess.conf b/src/modules/contextualprocess/contextualprocess.conf
index ba8a8bf1d..e5c1c1d6c 100644
--- a/src/modules/contextualprocess/contextualprocess.conf
+++ b/src/modules/contextualprocess/contextualprocess.conf
@@ -46,7 +46,8 @@
 #
 # The values after a value sub-keys are the same kinds of values
 # as can be given to the *script* key in the shellprocess module.
-# See shellprocess.conf for documentation on valid values.
+# See shellprocess.conf for documentation on valid values and how
+# variables are expanded in those commands.
 ---
 dontChroot: false
 firmwareType: