Fix format

joint_trajectory_controller/doc/parameters_context.yaml

@@ -11,9 +11,8 @@ gains: |
 
   with the desired velocity :math:`v_d`, the measured velocity :math:`v`, the position error :math:`e` (definition see below),
   the controller period :math:`dt`, and the ``velocity`` or ``effort`` manipulated variable (control variable) :math:`u`, respectively.
-  
+
   If the joint is of continuous type, the position error :math:`e = normalize(s_d - s)` is normalized between :math:`-\pi, \pi`,
   i.e., the shortest rotation to the target position is the desired motion.
   Otherwise  :math:`e = s_d - s` is used, with the desired position :math:`s_d` and the measured
   position :math:`s` from the state interface.
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