Improve builtin hemisphere docs

PiperOrigin-RevId: 791271829
Change-Id: I391215b5388f4e9e2a17198dbcdbd0c605fda4b4

python/mujoco/specs.cc

@@ -1025,13 +1025,13 @@ PYBIND11_MODULE(_specs, m) {
       py::arg("subdivision"));
   mjsMesh.def(
       "make_hemisphere",
-      [](raw::MjsMesh* self, int subdivision) {
-        double params[1] = {static_cast<double>(subdivision)};
+      [](raw::MjsMesh* self, int resolution) {
+        double params[1] = {static_cast<double>(resolution)};
         if (mjs_makeMesh(self, mjMESH_BUILTIN_HEMISPHERE, params, 1)) {
           throw pybind11::value_error(mjs_getError(mjs_getSpec(self->element)));
         }
       },
-      py::arg("subdivision"));
+      py::arg("resolution"));
   mjsMesh.def(
       "make_cone",
       [](raw::MjsMesh* self, int nedge, double radius) {

python/mujoco/specs_test.py

@@ -497,7 +497,7 @@ class SpecsTest(absltest.TestCase):
     mesh.make_cone(nedge=6, radius=0)
 
     mesh = spec.add_mesh(name='hemisphere')
-    mesh.make_hemisphere(subdivision=4)
+    mesh.make_hemisphere(resolution=4)
 
     mesh = spec.add_mesh(name='sphere')
     mesh.make_sphere(subdivision=2)