diff --git a/dat/tut-1.lua b/dat/tut-1.lua
index 7f8dba5c5..548fcaa7d 100644
--- a/dat/tut-1.lua
+++ b/dat/tut-1.lua
@@ -45,9 +45,9 @@ des.map([[
 |........|.|......|.|...F...|#  ........|.....+...|....|.....|............|
 |.P......-S|......|------.---# .........|.....|...|....-------............|
 |..........|......+.|...|.|.S# ..--S-----.....|LLL|.......................|
-|.W......---......|.|.|.|.|.|# ..|......|.....|LLL|.......................|
-|....Z.L.S.F......|.|.|.|.---#   |......+.....|...|.......................|
-|........|--......|...|.....|####+......|.....|...+.......................|
+|.W......---......|.|.|.|.|.|# ..|......|.....|LLL|...................|.--|
+|....Z.L.S.F......|.|.|.|.---#   |......+.....|...|...................|.|.|
+|........|--......|...|.....|####+......|.....|...+...................|...|
 ---------------------------------------------------------------------------
 ]]);
 
@@ -287,6 +287,15 @@ des.engraving({ coord = { 65,3 }, type = "burn", text = "UNDER CONSTRUCTION", de
 
 des.trap({ type = "magic portal", coord = { 66,2 }, seen = true });
 
+--
+
+-- try to squeeze over boulders, find a trap door
+
+des.object({ id = "boulder", coord = {71,16} });
+des.object({ id = "boulder", coord = {72,16} });
+des.object({ id = "boulder", coord = {73,16} });
+des.trap({ type = "trap door", coord = { 73,15 } });
+
 ----------------
 
 -- entering and leaving tutorial _branch_ now handled by core