diff --git a/api.lua b/api.lua
index 5ecbc87..04213f8 100644
--- a/api.lua
+++ b/api.lua
@@ -191,7 +191,7 @@ minetest.register_craftitem("x_marketplace:head", {
 				end
 
 			else
-				minetest.chat_send_player(user:get_player_name(), minetest.colorize(x_marketplace.colors.yellow, "MARKET PLACE: If you want to sell the head, you have to punch steel sign with text '/mp sellhead' on it."))
+				minetest.chat_send_player(user:get_player_name(), minetest.colorize(x_marketplace.colors.yellow, "MARKET PLACE: If you want to sell the head, you have to punch Bones Sign with text '/mp sellhead' on it."))
 			end
 		end
 
diff --git a/chatcommands.lua b/chatcommands.lua
index c82690d..cfa12f9 100644
--- a/chatcommands.lua
+++ b/chatcommands.lua
@@ -456,12 +456,12 @@ minetest.register_chatcommand("mp", {
 			local msg =
 			minetest.colorize(x_marketplace.colors.cyan, "/mp find").." <item name>, find item in store\n"..
 			minetest.colorize(x_marketplace.colors.cyan, "/mp balance")..", show your current balance in BitGold\n"..
-			minetest.colorize(x_marketplace.colors.cyan, "/mp sellhand")..", sell item(s) currently holding in hand, you must be near steel sign with text '/mp sell' on it\n"..
-			minetest.colorize(x_marketplace.colors.cyan, "/mp buyhand").." [<amount>], buy <amount> of item(s) currently holding in hand, when <amount> is not provided then amount is 1, you must be near steel sign with text '/mp buy' on it\n"..
+			minetest.colorize(x_marketplace.colors.cyan, "/mp sellhand")..", sell item(s) currently holding in hand, you must be near Mese Sign with text '/mp sell' on it\n"..
+			minetest.colorize(x_marketplace.colors.cyan, "/mp buyhand").." [<amount>], buy <amount> of item(s) currently holding in hand, when <amount> is not provided then amount is 1, you must be near Diamond Sign with text '/mp buy' on it\n"..
 			minetest.colorize(x_marketplace.colors.cyan, "/mp infohand")..", show more information about the item(s) you are currently holding in hand from the store\n"..
-			minetest.colorize(x_marketplace.colors.cyan, "/mp buy").." <item name> [<amount>], buy <amount> of <item name> from store, if <amount> is not provided then amount is 1, you must be near steel sign with text '/mp buy' on it\n"..
-			minetest.colorize(x_marketplace.colors.cyan, "/mp sellinv").." <item name>, sell all items <item name> from the 'main' inventory list, you must be near steel sign with text '/mp sell' on it\n"..
-			minetest.colorize(x_marketplace.colors.cyan, "/mp buyinv").." <item name>, buy full inventory of items <item name>, empty slots in the 'main' inventory are required, you must be near steel sign with text '/mp buy' on it\n"..
+			minetest.colorize(x_marketplace.colors.cyan, "/mp buy").." <item name> [<amount>], buy <amount> of <item name> from store, if <amount> is not provided then amount is 1, you must be near Diamond Sign with text '/mp buy' on it\n"..
+			minetest.colorize(x_marketplace.colors.cyan, "/mp sellinv").." <item name>, sell all items <item name> from the 'main' inventory list, you must be near Mese Sign with text '/mp sell' on it\n"..
+			minetest.colorize(x_marketplace.colors.cyan, "/mp buyinv").." <item name>, buy full inventory of items <item name>, empty slots in the 'main' inventory are required, you must be near Diamond Sign with text '/mp buy' on it\n"..
 			minetest.colorize(x_marketplace.colors.cyan, "/mp top")..", show top 5 richest players currently online\n"..
 			minetest.colorize(x_marketplace.colors.cyan, "/mp help")..", print out this help\n"