Correct example

Author: SabineHaas

example/modelchain_example.py

@@ -244,7 +244,7 @@ def plot_or_print(my_turbine, e126, dummy_turbine):
     if plt:
         if e126.power_coefficient_curve is not None:
             e126.power_coefficient_curve.plot(
-                x='wind_speed', y='power coefficient', style='*',
+                x='wind_speed', y='value', style='*',
                 title='Enercon E126 power coefficient curve')
             plt.show()
         if e126.power_curve is not None:
@@ -253,7 +253,7 @@ def plot_or_print(my_turbine, e126, dummy_turbine):
             plt.show()
         if my_turbine.power_coefficient_curve is not None:
             my_turbine.power_coefficient_curve.plot(
-                x='wind_speed', y='power coefficient', style='*',
+                x='wind_speed', y='value', style='*',
                 title='myTurbine power coefficient curve')
             plt.show()
         if my_turbine.power_curve is not None: