Inform players of coin cost to use checkpoints, fixes issue #30

data/levels/world1/01 - Welcome to Antarctica.stl

@@ -78,7 +78,7 @@
     (infoblock
       (message (_ "-Checkpoints
 !images/objects/resetpoints/bell-m.png
-#Activate the checkpoint. If you die, you can retry the level from here."))
+#Activate the checkpoint. If you die, you can retry the level from here. Every time you retry from a checkpoint, you will lose at least 25 coins."))
       (x 5360)
       (y 864)
     )