diff --git a/modules/nitrokey-gpg-smartcard.nix b/modules/nitrokey-gpg-smartcard.nix
index 1b057ff..a45e206 100644
--- a/modules/nitrokey-gpg-smartcard.nix
+++ b/modules/nitrokey-gpg-smartcard.nix
@@ -8,7 +8,9 @@
   #   echo GETPIN | pinentry
   # - smartcard should be listed
   #   gpg --card-status
-  # - ssh should work
+  # - encryption should work (graphical pinentry should pop-up)
+  #   gpg -d ./passphrase.txt.gpg
+  # - ssh should work (graphical pinentry should pop-up)
   #   ssh yodaNas
   # - signed git commits should work in IntelliJ
   #   IntelliJ IDE -> git commit -> graphical pinentry should pop-up