Update en_us.json

Author: ZHAY10086

projects/1.21/assets/dyson-cube-project/dysoncubeproject/lang/en_us.json

@@ -16,5 +16,6 @@
   "item.dysoncubeproject.solar_sail_package": "Solar Sail Package",
   "itemGroup.dyson_cube_project": "Dyson Cube Project",
   "tooltip.dysoncubeproject.contains_beams": "Contains %s beam(s)",
-  "tooltip.dysoncubeproject.contains_solar_sails": "Contains %s solar sail(s)"
-}
+  "tooltip.dysoncubeproject.contains_solar_sails": "Contains %s solar sail(s)",
+  "tooltip.dysoncubeproject.power_optional": "*Power Optional, with power it allows to ramp up how many beams/sails are ejected*"
+}