diff --git a/doc/erko_howto_tools.txt b/doc/erko_howto_tools.txt
index 30a435bed2fb4d056ff11746a2e36191807bcd2d..697a202c86ac3c63b25b9cdabdf698c07b37321a 100755
--- a/doc/erko_howto_tools.txt
+++ b/doc/erko_howto_tools.txt
@@ -492,6 +492,11 @@ node 17:  2023-09-16T18.27.54_4b45e10a4_lofar2_unb2c_sdp_station_full
 node 18:  2023-09-16T18.27.54_4b45e10a4_lofar2_unb2c_sdp_station_full
 node 19:  2023-09-16T18.27.54_4b45e10a4_lofar2_unb2c_sdp_station_full
 
+Jupyter notebook on L2TS:
+ssh -L 3000:cs001c.control.lofar:80 kooistra@portal.lofar.eu http://localhost:3000/
+
+http://cs001c.control.lofar/jupyter/lab/tree/notebooks/Demo_and_test_scripts/MN/aps_status_mn.ipynb
+
 *******************************************************************************
 * HDL images to keep on dop349
 * . for lofar2_sdp and for disturb