diff --git a/supervisor/config/facility.lua b/supervisor/config/facility.lua
index c00ef9b..13e238c 100644
--- a/supervisor/config/facility.lua
+++ b/supervisor/config/facility.lua
@@ -32,8 +32,7 @@ local facility = {}
 -- generate the tank list and tank connections tables
 ---@param mode integer facility tank mode
 ---@param defs table facility tank definitions
----@return table tank_list
----@return table tank_conns
+---@return table tank_list, table tank_conns
 function facility.generate_tank_list_and_conns(mode, defs)
     local tank_mode = mode
     local tank_defs = defs