Bug fix and add links

Author: SabineHaas

doc/whatsnew/v0-1-0.txt

@@ -1,7 +1,8 @@
 v0.1.0 (January 17, 2019)
 ++++++++++++++++++++++++++++++++++
 
-ATTENTION: From v0.1.0 on power (coefficient) curves are provided by the OpenEnergy Database (oedb) instead of in csv files (v0.6.0 and lower) due to legal reasons.
+ATTENTION: From v0.1.0 on power (coefficient) curves are provided by the `OpenEnergy Database (oedb) <https://openenergy-platform.org/dataedit/>`_
+instead of in csv files (v0.6.0 and lower) due to legal reasons.
 Use :py:func:`~windpowerlib.wind_turbine.get_turbine_types` to check whether the turbine types you need are included in the database.
 If your turbine type is not included you can either use your own csv file or open an issue.
 
@@ -21,7 +22,7 @@ New functions
  * :py:func:`~windpowerlib.tools.logarithmic_interpolation_extrapolation` for wind speed time series
  * :py:func:`~windpowerlib.tools.gauss_distribution` (needed for power curve smoothing)
  * :py:func:`~windpowerlib.tools.estimate_turbulence_intensity` by roughness length
- * :py:func:`~windpowerlib.wind_turbine.get_turbine_data_from_oedb` for retrieving power curves from OpenEnergy Database
+ * :py:func:`~windpowerlib.wind_turbine.get_turbine_data_from_oedb` for retrieving power curves from `OpenEnergy Database <https://openenergy-platform.org/dataedit/>`_
 
 
 Testing