readme MD

README.md

@@ -29,8 +29,10 @@ sentinel.downloadProducts(products,".")
 
 ```
 
-## L2A Product generation
-To convert all L1C products in a directory to L2C products ``tools/L1CProductListToL2A.sh`` is used. The script takes as an arguments the name of the a directory with a ``L1C`` Subdirectory where the products are located and the number of jobs to run in parallel.
+## L2A Product generation (``tools/L1CProductListToL2A.sh``)
+This script uses [Sen2Cor](http://step.esa.int/main/third-party-plugins-2/sen2cor/) to convert all L1C products in a directory to L2C products. The script takes as an arguments the name of the a directory with a ``L1C`` Subdirectory where the products are located and the number of jobs to run in parallel.
+
+
 ### Dependencies
 ```bash
 sudo apt-get install parallel