diff --git a/dat/engrave.txt b/dat/engrave.txt
index 6390c3ee1..34d5a8207 100644
--- a/dat/engrave.txt
+++ b/dat/engrave.txt
@@ -80,3 +80,6 @@ You are the one millionth visitor to this place!  Please wait 200 turns for your
 
 # DnD
 Warning, Exploding runes!
+
+# "Whispers Underground" Ben Aaronovitch
+If you can read these words then you are not only a nerd but probably dead.