diff --git a/pandapower/auxiliary.py b/pandapower/auxiliary.py
index 3effe7bad..9518eecb7 100644
--- a/pandapower/auxiliary.py
+++ b/pandapower/auxiliary.py
@@ -1289,7 +1289,7 @@ def _check_if_numba_is_installed(level="warning"):
 
 
 def _check_lightsim2grid_compatibility(net, lightsim2grid, voltage_depend_loads, algorithm, distributed_slack, tdpf):
-    """
+    r"""
     Implement some checks to decide whether the package lightsim2grid can be used. These checks are
     documentated in :code:`doc\powerflow\ac.rst` The package implements a backend for power flow
     calculation in C++ and provides a speed-up. If lightsim2grid