diff --git a/dat/data.base b/dat/data.base
index 872cb9604..9bced34e8 100644
--- a/dat/data.base
+++ b/dat/data.base
@@ -4542,6 +4542,7 @@ robe
 	3.  As the garb of Desert Nomads.  [...]
 	    [ The Tough Guide to Fantasyland, by Diana Wynne Jones ]
 rock
+large rock
 	Bilbo saw that the moment had come when he must do something.
 	He could not get up at the brutes and he had nothing to shoot
 	with; but looking about he saw that in this place there were