break long line in donate description

mods/ctf/ctf_modebase/ranking_commands.lua

@@ -96,7 +96,9 @@ ctf_api.register_on_match_end(function()
 end)
 
 ctf_core.register_chatcommand_alias("donate", "d", {
-	description = "Donate your match score to your teammate\nCan be used only once in 2.5 minutes\nReplace <score> with :max or any negative number to donate the maximum amount",
+	description = [[Donate your match score to your teammate
+Can be used only once in 2.5 minutes
+Replace <score> with :max or any negative number to donate the maximum amount]],
 	params = "<name [name2 name3 ...]> <score> [message]",
 	func = function(name, param)
 		local current_mode = ctf_modebase:get_current_mode()