diff --git a/libs/lua-math-polygon/src/math-polygon.lua b/libs/lua-math-polygon/src/math-polygon.lua
index 76fd7f6..3066a3e 100644
--- a/libs/lua-math-polygon/src/math-polygon.lua
+++ b/libs/lua-math-polygon/src/math-polygon.lua
@@ -53,7 +53,7 @@ function M.point_in_polygon(poly, point)
 	return t
 end
 
--- Convert Rectengular defined by two point into polygon
+-- Convert rectangular defined by two point into polygon
 function M.two_point_rec_to_poly(rec)
 	local poly = {};
 	poly[1]["lon"] = rec[1].lon