The worker retrieves its own host with
:cpp:func:`simgrid::s4u::this_actor::get_host`. The
-:ref:`simgrid::s4u::this_actor <namespace_simgrid__s4u__this_actor>`
+:ref:`simgrid::s4u::this_actor <API_s4u_this_actor>`
namespace contains many such helping functions.
.. literalinclude:: ../../examples/s4u/app-masterworkers/s4u-app-masterworkers-fun.cpp