tweak

code/datums/uplink_item.dm

@@ -826,6 +826,7 @@ var/list/uplink_items = list()
 	reference = "RTC"
 	item = /obj/item/stack/telecrystal
 	cost = 1
+	surplus = 0
 
 /datum/uplink_item/device_tools/teleporter
 	name = "Teleporter Circuit Board"

code/game/objects/items/stacks/telecrystal.dm

@@ -1,6 +1,7 @@
 /obj/item/stack/telecrystal
 	name = "telecrystal"
 	desc = "It seems to be pulsing with suspiciously enticing energies."
+	description_antag = "Telecrystals can be activated by utilizing them on devices with an actively running uplink. They will not activate on unactivated uplinks."
 	singular_name = "telecrystal"
 	icon = 'icons/obj/telescience.dmi'
 	icon_state = "telecrystal"