diff --git a/py_package/src/entfrachten/analysis/simulation_reading.py b/py_package/src/entfrachten/analysis/simulation_reading.py
index 500684b0ed7c477e9155cbbc180e5a34761d023b..55caad15d17974831befbca0681be0dc9bc3138f 100644
--- a/py_package/src/entfrachten/analysis/simulation_reading.py
+++ b/py_package/src/entfrachten/analysis/simulation_reading.py
@@ -34,6 +34,7 @@ def read_sim_data(
     events: list of events, res1d files for each event are found by inserting the event into a hard coded pattern.
     st_mass_balance_storages: if st data is read, these storages use a mass balance instead of concentration from outflow_reaches
     """
+    warn("Patterns to find files are currently hard coded, adjust variables named *_path inside this file to match your project.")
     dataset_reaches: dict[str, pd.Series] = _create_reach_series(storage_struct)
     # For the inflow, we also need to add the flow from catchments that connect into the storage space.
     storage_catchments = {}