diff --git a/examples/p-to-n-examples/README b/examples/p-to-n-examples/README
index 221bbbda5..3e3d3009f 100644
--- a/examples/p-to-n-examples/README
+++ b/examples/p-to-n-examples/README
@@ -4,3 +4,7 @@ from https://www.st.com/resource/en/cad_symbol_library/opamps_comparators_st.zip
 To run example Optimos_out.cir, please download the device spice libs  OptiMOS5_30V_PSpice.lib
 from https://www.infineon.com/cms/en/product/promopages/power-mosfet-simulation-models/, especially
 https://www.infineon.com/dgdl/Infineon-SimulationModel_OptiMOS_PowerMOSFET_PSpice_30V_N-Channel-SM-v01_00-EN.zip?fileId=5546d46256fb43b3015746ca67ac0fd3
+
+And don't forget to add
+set ngbehavior=ps
+to spinit or .spiceinit to obtain PSPICE compatibility for the included (using .include) device libraries