Update README.md

README.md

@@ -17,9 +17,11 @@ Usage:
   - Run [src/preprocess_fds.py](src/preprocess_fds.py) to generate out of the FDS-simulation the relevant `csv-files`,
     which will be read during `jpscore` simulations.
     Yoy may want to see the available option by running
+
     ```python
     python preprocess_fds.py -h
     ```
+    
     Assuming your files live in a directory called `test` a call could be:
     ```python
     python preprocess_fds.py -j ../demos/test/JuPedSim -f ../demos/test/FDS