-When using :ref:`model_ns3`, SimGrid does not uses its own platform or routing models. Your platform must be limited to one
-zone only, and any routing model will be ignored. Since ns-3 uses a shortest path algorithm on its side, all routes must be
-of length 1.
+When using :ref:`models_ns3`, SimGrid configures the ns-3 simulator according to the configured platform.
+Since ns-3 uses a shortest path algorithm on its side, all routes must be of length 1.