Fix minor documentation issue

README.md

@@ -31,4 +31,4 @@ Afterwards, you may check your setup by executing ``Utils/check.sh`` or ``Utils/
 ## Developer Notes
 * to regenerate translations use ````python manage.py makemessages -l de_DE --ignore venv````
 * to create a data backup use ````python manage.py dumpdata --indent=2 > db.json --traceback````
-* to export all database items belonging to a certain event use ````.\Utils\json_export.sh <event_id> <export_prefix>  [--prod]````. The results will be saved in ````backups/<export_prefix>.json````
+* to export all database items belonging to a certain event use ````./Utils/json_export.sh <event_id> <export_prefix>  [--prod]````. The results will be saved in ````backups/<export_prefix>.json````