python: improve doc

bindings/python/spatial/inertia.hpp

@@ -147,15 +147,15 @@ namespace pinocchio
 
         .def("FromSphere", &Inertia::FromSphere,
              bp::args("mass","radius"),
-             "Returns the Inertia of an sphere with a given mass and of radius.")
+             "Returns the Inertia of a sphere defined by a given mass and radius.")
         .staticmethod("FromSphere")
         .def("FromEllipsoid", &Inertia::FromEllipsoid,
              bp::args("mass","length_x","length_y","length_z"),
-             "Returns the Inertia of an ellipsoid shape with a given mass and of given dimensions the semi-axis of values length_{x,y,z}.")
+             "Returns the Inertia of an ellipsoid shape defined by a mass and given dimensions the semi-axis of values length_{x,y,z}.")
         .staticmethod("FromEllipsoid")
         .def("FromCylinder", &Inertia::FromCylinder,
              bp::args("mass","radius","length"),
-             "Returns the Inertia of a cylinder shape ith a mass and of dimension radius and length.")
+             "Returns the Inertia of a cylinder defined by its mass, radius and length along the Z axis.")
         .staticmethod("FromCylinder")
         .def("FromBox", &Inertia::FromBox,
              bp::args("mass","length_x","length_y","length_z"),