fix some typos

df_underworld_items/dependencies.lua

@@ -20,7 +20,7 @@ df_underworld_items.LIGHT_MAX = df_dependencies.LIGHT_MAX
 -- This stuff should only be used during initialization
 minetest.after(0, function()
 	df_underworld_items.abm_neighbors = nil
-	df_underworld.sounds = nil
-	df_underworld.nodes = nil
-	df_underworld.LIGHT_MAX = nil
+	df_underworld_items.sounds = nil
+	df_underworld_items.nodes = nil
+	df_underworld_items.LIGHT_MAX = nil
 end)

df_underworld_items/slade.lua

@@ -82,7 +82,7 @@ minetest.register_node("df_underworld_items:slade_sand", {
 	tiles = {"dfcaverns_slade_sand.png"},
 	is_ground_content = false,
 	groups = {crumbly = 3, level = 2, falling_node = 1, slade=1, pit_plasma_resistant=1, mese_radiation_shield=1},
-	sounds = df_dependencies.sound_gravel,
+	sounds = df_underworld_items.sounds.slade_gravel,
 })
 
 local slade_block_def = {

ice_sprites/mod.conf

@@ -1,4 +1,4 @@
 name = ice_sprites
 description = Glowing blue firefly-like nodes
 depends =
-optional_depends = fireflies, vessels, doc
+optional_depends = df_dependencies, doc