diff --git a/.ipynb_checkpoints/SSBtoolkit-Tutorial3A-checkpoint.ipynb b/.ipynb_checkpoints/SSBtoolkit-Tutorial3A-checkpoint.ipynb
index b4992fc82ec42de8841b72cafd0fae22b6d05c2e..c4a8fce4552c3271216cd4c462e16844a4a3709b 100644
--- a/.ipynb_checkpoints/SSBtoolkit-Tutorial3A-checkpoint.ipynb
+++ b/.ipynb_checkpoints/SSBtoolkit-Tutorial3A-checkpoint.ipynb
@@ -305,7 +305,7 @@
    "outputs": [],
    "source": [
     "#Setting the simulation parameters\n",
-    "sim.SetSimulationParameters(ligands=data_scaled.cmpd.to_list()[1:3], \n",
+    "sim.SetSimulationParameters(ligands=data_scaled.cmpd.to_list()[0:2], \n",
     "                            pathway=gprotein, \n",
     "                            receptor_conc=receptor_conc, \n",
     "                            lig_conc_range=lig_conc_range, \n",
diff --git a/SSBtoolkit-Tutorial3A.ipynb b/SSBtoolkit-Tutorial3A.ipynb
index b4992fc82ec42de8841b72cafd0fae22b6d05c2e..c4a8fce4552c3271216cd4c462e16844a4a3709b 100644
--- a/SSBtoolkit-Tutorial3A.ipynb
+++ b/SSBtoolkit-Tutorial3A.ipynb
@@ -305,7 +305,7 @@
    "outputs": [],
    "source": [
     "#Setting the simulation parameters\n",
-    "sim.SetSimulationParameters(ligands=data_scaled.cmpd.to_list()[1:3], \n",
+    "sim.SetSimulationParameters(ligands=data_scaled.cmpd.to_list()[0:2], \n",
     "                            pathway=gprotein, \n",
     "                            receptor_conc=receptor_conc, \n",
     "                            lig_conc_range=lig_conc_range, \n",