Update migration.rst

Author: christophfroehlich

doc/migration.rst

@@ -10,4 +10,4 @@ This list summarizes important changes between Humble (previous) and Jazzy (curr
 
 Pid/PidRos
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-* The parameters ``antiwindup``, ``i_clamp_max``, and ``i_clamp_min`` will be removed. The anti-windup behavior is now configured via the :``AntiWindupStrategy`` enum. (`#298 <https://github.com/ros-controls/control_toolbox/pull/298>`_).
+* The parameters ``antiwindup``, ``i_clamp_max``, and ``i_clamp_min`` will be removed. The anti-windup behavior is now configured via the ``AntiWindupStrategy`` enum. (`#298 <https://github.com/ros-controls/control_toolbox/pull/298>`_).