diff --git a/doc/source/models/PCSAFT.ipynb b/doc/source/models/PCSAFT.ipynb
index 17122e9bba104a6649857cecfa96e66055d08753..9b09fd6451da8b974b2c45da117c7820f3aee30b 100644
--- a/doc/source/models/PCSAFT.ipynb
+++ b/doc/source/models/PCSAFT.ipynb
@@ -75,7 +75,7 @@
    "source": [
     "## Adjusting k_ij\n",
     "\n",
-    "Fine-tuned values of $k_{ij}$ can be provided when instantiating the model, for Peng-Robinson and SRK.  A complete matrix of all the $k_{ij}$ values must be provided. This allows for asymmetric mixing models in which $k_{ij}\\neq k_{ji}$."
+    "Fine-tuned values of $k_{ij}$ can be provided when instantiating the model.  A complete matrix of all the $k_{ij}$ values must be provided. This allows for asymmetric mixing models in which $k_{ij}\\neq k_{ji}$."
    ]
   },
   {
@@ -87,7 +87,7 @@
     {
      "data": {
       "text/plain": [
-       "<teqp.teqp.PCSAFTEOS at 0x19478910bf0>"
+       "<teqp.teqp.PCSAFTEOS at 0x26ec5dde870>"
       ]
      },
      "execution_count": 3,
@@ -97,7 +97,7 @@
    ],
    "source": [
     "k_01 = 0.01; k_10 = k_01\n",
-    "kmat = [[0,k_01,0],[k_01,0,0],[0,0,0]]\n",
+    "kmat = [[0,k_01,0],[k_10,0,0],[0,0,0]]\n",
     "teqp.PCSAFTEOS(coeffs, kmat)"
    ]
   },