diff --git a/tutorials/HUD.md b/tutorials/HUD.md
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+# HUD Stuff
+
+Originally from Hello-World.md. Splitting and saving this for later.
+
+```Lua
+minetest.register_on_joinplayer(function(player)
+     local hud_id = player:hud_add({
+         hud_elem_type = 'text',
+         text = 'Hello world!',
+         number = 0xFFFFFF,
+         position = {x=0, y=1},
+         alignment = {x=1, y=-1},
+         offset = {x=4, y=-4}
+     })
+end)
+```
+
+Modify HUD text via formspec. Doesn't work in Minimal.
+
+```Lua
+-- Show form when the /formspec command is used.
+minetest.register_chatcommand("formspec", {
+	func = function(name, param)
+		minetest.show_formspec(name, "tutorial:form",
+				"size[4,3]" ..
+				--"label[0,0;Hello, " .. name .. "]" ..
+				"field[1,1.5;3,1;word;Enter name;]" ..
+				"button_exit[1,2;2,1;exit;Save]")
+	end
+})
+
+-- Register callback
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	if formname ~= "tutorial:form" then
+		-- Formname is not mymod:form,
+		-- exit callback.
+		return false
+	end
+
+	-- Send message to player.
+	changeText(player, fields.word)
+
+	-- Return true to stop other minetest.register_on_player_receive_fields
+	-- from receiving this submission.
+	return true
+end)
+
+function changeText(player, word)
+   local newString = "Hello, " .. word .. "!"
+    player:hud_change(hold.hud_id, 'text', newString)
+end