diff --git a/README.md b/README.md
index 0b856af..9481384 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # Nether Mod for Minetest, with Portals API.
 
-Enables Nether portals to be built, opening a gateway between the surface
-realm and one of lava and netherrack, with rumors of a passageway to a great
-magma ocean.
+Allows Nether portals to be constructed, opening a gateway between the surface
+realm and one of lava and netherrack, with rumors of a passageway through the
+netherrack to a great magma ocean.
 
 To view the options provided by this mod, see settingtypes.txt or
 go to "Settings"->"All Settings"->"Mods"->"nether" in the game.
@@ -23,6 +23,11 @@ might need to be constructed from basalt, thus requiring a journey through
 the nether first, or basalt might be a crafting ingredient required to reach
 a particular branch of the tech-tree.
 
+Netherbrick tools are provided (pick, shovel, axe, & sword), see tools.lua
+
+Nether Portals can allow surface fast-travel.
+
+
 ## License of source code:
 
 Copyright (C) 2013 PilzAdam
diff --git a/nodes.lua b/nodes.lua
index dea7070..afb6fb4 100644
--- a/nodes.lua
+++ b/nodes.lua
@@ -374,7 +374,7 @@ minetest.register_on_mods_loaded(function()
 
 	-- register a bucket of Lava-sea source - but make it just the same bucket as default lava.
 	-- (by doing this in register_on_mods_loaded we don't need to declare a soft dependency)
-	if minetest.get_modpath("bucket") and minetest.global_exists("bucket") then
+	if minetest.get_modpath("bucket") and minetest.global_exists("bucket") and type(bucket.liquids) == "table" then
 		local lava_bucket = bucket.liquids["default:lava_source"]
 		if lava_bucket ~= nil then
 			local lavasea_bucket = {}