diff --git a/point.lua b/point.lua
index 3efb509..4795ee0 100644
--- a/point.lua
+++ b/point.lua
@@ -3,8 +3,8 @@
 Point = { x = 1, y = 1 }
 
 -- Point factory
----@param x number
----@param y number
+---@param x number | nil
+---@param y number | nil
 ---@return any
 function Point:new( x, y )
     local point = {