Minor change to source data description

README.md

@@ -7,4 +7,4 @@ The Spine Toolbox project example provided here can be used without any limitati
 
 Demand, wind and solar time series data are taken from the ENTSO TYNDP 2020 Scenarios released under a Creative Commons Attribution 4.0 International License. Data can be downloaded, shared and edited. “TYNDP 2020 Scenarios” should be used as the attribution.
 
-Power plant data is based on publicly available sources. As reserve data is not publicly available, the plant names have been anonymised.
+Power plant data is based on publicly available sources and supplemented with the authors’ estimates. Plant names have been anonymised.