diff --git a/development/theidea.odg b/development/theidea.odg
new file mode 100644
index 0000000..a0f0780
Binary files /dev/null and b/development/theidea.odg differ
diff --git a/modules/network/ctrl.lua b/modules/network/ctrl.lua
index b2a1f48..5a9c98c 100644
--- a/modules/network/ctrl.lua
+++ b/modules/network/ctrl.lua
@@ -5,6 +5,10 @@ local network = me.network
 
 local function update_ctrl(pos,node)
 	local network = me.get_network(pos)
+	if network == nil then
+		minetest.log("error","no network for ctrl at pos "..minetest.pos_to_string(pos))
+		return
+	end
 	local size = network:get_item_capacity()
 	local meta = minetest.get_meta(pos)
 	local inv = meta:get_inventory()
diff --git a/modules/storage/chest.lua b/modules/storage/terminal.lua
similarity index 98%
rename from modules/storage/chest.lua
rename to modules/storage/terminal.lua
index 8606e39..e86ada3 100644
--- a/modules/storage/chest.lua
+++ b/modules/storage/terminal.lua
@@ -54,7 +54,7 @@ local function chest_formspec(pos, start_id, listname, page_max, query)
 		microexpansion.gui_slots ..
 		list ..
 	[[
-		label[0,-0.23;ME Chest]
+		label[0,-0.23;ME Terminal]
 		field_close_on_enter[filter;false]
 	]]..
 		page_number ..
@@ -78,8 +78,8 @@ local function update_chest(pos)
 end
 
 -- [me chest] Register node
-microexpansion.register_node("chest", {
-	description = "ME Chest",
+microexpansion.register_node("term", {
+	description = "ME Terminal",
 	usedfor = "Can interact with storage cells in ME networks",
 	tiles = {
 		"chest_top",