update readme and check if item key exists

README.md

@@ -1,6 +1,6 @@
-# AUX Turtle
+# aux Turtle
 
-* Shares some price data through the LFT chat when scanning items, use **/aux sharing** to disable sending and receiving data.
+* Shares some price data through the LFT chat when searching the AH, use **/aux sharing** to disable sending and receiving data.
 * Accurate auction durations for Turtle WoW.
 * Autocompletion for custom Turtle WoW items.
 

core/history.lua

@@ -86,7 +86,7 @@ AUX_data_sharer:SetScript("OnEvent", function()
 			if msg == "AuxData" then
 				if arg2 ~= AUXplayerName then
 					local unit_buyout_price = tonumber (munit_buyout_price)
-					if unit_buyout_price then
+					if unit_buyout_price and item_key then
 					--print("received data:" .. msg .. "," .. item_key .. "," .. unit_buyout_price); --for testing (print comes from PFUI)
 						local item_record = read_record(item_key)
 						if unit_buyout_price > 0 and unit_buyout_price < (item_record.daily_min_buyout or aux.huge) then