minor typo fix in LC filter

docs/source/model/drive/ac_filter.rst

@@ -23,11 +23,7 @@ A dynamic model of the filter is
    &= \boldsymbol{i}_\mathrm{c}^\mathrm{s} - \boldsymbol{i}_\mathrm{s}^\mathrm{s}
    :label: LC_filter_model
 
-where :math:`L_\mathrm{fc}` and :math:`R_\mathrm{fc}` are the inductance and the series resistance of the inductor, respectively.
-Also, :math:`C_\mathrm{f}`, respectively.
-Furthermore, :math:`\boldsymbol{i}_\mathrm{c}^\mathrm{s}` is the converter current,
-:math:`\boldsymbol{i}_\mathrm{s}^\mathrm{s}` is the stator current, :math:`\boldsymbol{u}_\mathrm{c}^\mathrm{s}` is the converter voltage,
-and :math:`\boldsymbol{u}_\mathrm{s}^\mathrm{s}` is the capacitor voltage (corresponding to the stator voltage). 
+where :math:`L_\mathrm{fc}` is the filter inductance, :math:`R_\mathrm{fc}` is the series resistance of the filter inductor and :math:`C_\mathrm{f}` the filter capacitance. Furthermore, :math:`\boldsymbol{i}_\mathrm{c}^\mathrm{s}` is the converter current, :math:`\boldsymbol{i}_\mathrm{s}^\mathrm{s}` is the stator current, :math:`\boldsymbol{u}_\mathrm{c}^\mathrm{s}` is the converter voltage,and :math:`\boldsymbol{u}_\mathrm{s}^\mathrm{s}` is the capacitor voltage (corresponding to the stator voltage). 
 
 The filter model is implemented in the class :class:`motulator.drive.model.LCFilter`. For its usage, see the example :doc:`/drive_examples/vhz/plot_vhz_ctrl_im_2kw_lc`.