Update example command in readme

README

@@ -14,7 +14,14 @@ on a CUDA-capable machine.
 
 Run the tests from the repository root as follows:
 
-    pyfeeds -c pyfeeds_config.cfg -o /path/to/output_direcfory .
+```
+pyfeeds run                        \
+    -c pyfeeds_config.cfg          \
+    -i /path/to/input/data         \
+    -b /path/to/benchmark/data     \
+    -o /path/to/output_direcfory . \
+    [./paths/to/tests/you/want/to/run/ ...]
+```
 
 Before running the tests, make sure to update the paths in
 `pyfeeds_config.cfg`.