fix typo in readme (python-requirements

README.md

@@ -11,7 +11,7 @@ python3 src/main.py
 Has to be run on python 3.6 with requirements found in python-requirements.txt
 If you are using pip, you can install all requirement with this command :
 ```shell
-pip3 install -r requirements.txt
+pip3 install -r python-requirements.txt
 ```
 ### Files
 * Main script : **src/main.py**
@@ -76,3 +76,6 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see http://www.gnu.org/licenses/
+
+## Authors
+UMR TÉTIS  / IRSTEA