=============================================
SimGrid is a framework to simulate distributed computer systems. It can be used
-to either `assess abstract algorithms <usecase_simalgo>`_, or to `debug and
-profile real MPI applications <usecase_smpi>`_.
+to either :ref:`assess abstract algorithms <usecase_simalgo>`_, or to
+:ref:`debug and profile real MPI applications <usecase_smpi>`_.
SimGrid is routinely used in studies on (data-)Grids,
IaaS Clouds (:ref:`API <API_s4u_VirtualMachine>`, :ref:`examples <s4u_ex_clouds>`),