added info on output of get_sample_data notebooks

README.md

@@ -104,7 +104,8 @@ Therefore, this example is restricted to the calculation of "dma8epax".
 ```
 tests/get_sample_data.ipynb 
 ```
-Downloads data from the TOAR database. The extracted data are written to disc. No further processing or gridding is done. 
+Downloads data from the TOAR database. The extracted data are written to disc. No further processing or gridding is done.
+The result is a ZIP-file containing two CSV files. The first one contains the time series and the second one the coordinates of the stations.
 
 ## Retrieving data
 ```
@@ -113,6 +114,7 @@ tests/get_sample_data_manual.ipynb
 Downloads data from the TOAR database with a manual creation of the request to the TOAR database.
 As an example for addition parameters, the "toar1_category" is passed to the metadata object.
 This example does not perform any gridding.
+The result is a ZIP-file containing two CSV files. The first one contains the time series and the second one the coordinates of the stations.
 
 ## Retrieving data and visualization
 ```