Typo fix

game/modules/tome/data/damage_types.lua

@@ -2731,7 +2731,7 @@ newDamageType{
if feat then
if feat.grow then
local newfeat_name, newfeat, silence = feat.grow, nil, false
-				if type(feat.dig) == "function" then newfeat_name, newfeat, silence = feat.grow(src, x, y, feat) end
+				if type(feat.grow) == "function" then newfeat_name, newfeat, silence = feat.grow(src, x, y, feat) end
newfeat = newfeat or game.zone.grid_list[newfeat_name]
if newfeat then
game.level.map(x, y, Map.TERRAIN, newfeat)