diff --git a/mods/ITEMS/mcl_fire/flint_and_steel.lua b/mods/ITEMS/mcl_fire/flint_and_steel.lua
index afc1850d6..eeee640e5 100644
--- a/mods/ITEMS/mcl_fire/flint_and_steel.lua
+++ b/mods/ITEMS/mcl_fire/flint_and_steel.lua
@@ -2,7 +2,7 @@
 minetest.register_tool("mcl_fire:flint_and_steel", {
 	description = "Flint and Steel",
 	_doc_items_longdesc = "Flint and steel is a tool to start fires and ignite blocks.",
-	_doc_items_usagehelp = "Rightclick the surface of a block to attempt to light a fire in front of it. TNT will get ignited instead.",
+	_doc_items_usagehelp = "Rightclick the surface of a block to attempt to light a fire in front of it. On netherrack it will start an eternal fire. Using it on TNT will ignite it.",
 	inventory_image = "mcl_fire_flint_and_steel.png",
 	liquids_pointable = false,
 	stack_max = 1,
diff --git a/mods/ITEMS/mcl_nether/init.lua b/mods/ITEMS/mcl_nether/init.lua
index 6544caf8b..27e63ba69 100644
--- a/mods/ITEMS/mcl_nether/init.lua
+++ b/mods/ITEMS/mcl_nether/init.lua
@@ -35,7 +35,7 @@ minetest.register_node("mcl_nether:quartz_ore", {
 
 minetest.register_node("mcl_nether:netherrack", {
 	description = "Netherrack",
-	_doc_items_longdesc = "Netherrack is a stone-like block home to the Nether.",
+	_doc_items_longdesc = "Netherrack is a stone-like block home to the Nether. Using flint on steel on netherrack will create eternal fire instead of normal fire.",
 	stack_max = 64,
 	tiles = {"mcl_nether_netherrack.png"},
 	is_ground_content = true,