diff --git a/idaes_examples/notebooks/docs/properties/parameter_estimation_pr.ipynb b/idaes_examples/notebooks/docs/properties/parameter_estimation_pr.ipynb
index 1d59634c..2654f7be 100644
--- a/idaes_examples/notebooks/docs/properties/parameter_estimation_pr.ipynb
+++ b/idaes_examples/notebooks/docs/properties/parameter_estimation_pr.ipynb
@@ -116,7 +116,7 @@
    "source": [
     "### 2.4 Import data\n",
     "\n",
-    "In the next cell, we will be importing `pandas` and the `.csv` file with preassure and composition data. For this example, we load data from the csv file CO2_IL_298.csv. The dataset consists of ninteen data points which provide the mole fraction of [bmim][PF6] and carbon dioxide and the pressure at three different temperatures."
+    "In the next cell, we will be importing `pandas` and the `.csv` file with preassure and composition data. For this example, we load data from the csv file CO2_IL_298.csv. The dataset consists of nineteen data points which provide the mole fraction of [bmim][PF6] and carbon dioxide and the pressure at three different temperatures."
    ]
   },
   {
diff --git a/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_doc.ipynb b/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_doc.ipynb
index e42c5b93..8308ec3a 100644
--- a/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_doc.ipynb
+++ b/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_doc.ipynb
@@ -116,7 +116,7 @@
       "source": [
         "### 2.4 Import data\n",
         "\n",
-        "In the next cell, we will be importing `pandas` and the `.csv` file with preassure and composition data. For this example, we load data from the csv file CO2_IL_298.csv. The dataset consists of ninteen data points which provide the mole fraction of [bmim][PF6] and carbon dioxide and the pressure at three different temperatures."
+        "In the next cell, we will be importing `pandas` and the `.csv` file with preassure and composition data. For this example, we load data from the csv file CO2_IL_298.csv. The dataset consists of nineteen data points which provide the mole fraction of [bmim][PF6] and carbon dioxide and the pressure at three different temperatures."
       ]
     },
     {
@@ -771,4 +771,4 @@
   },
   "nbformat": 4,
   "nbformat_minor": 3
-}
\ No newline at end of file
+}
diff --git a/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_test.ipynb b/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_test.ipynb
index e42c5b93..8308ec3a 100644
--- a/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_test.ipynb
+++ b/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_test.ipynb
@@ -116,7 +116,7 @@
       "source": [
         "### 2.4 Import data\n",
         "\n",
-        "In the next cell, we will be importing `pandas` and the `.csv` file with preassure and composition data. For this example, we load data from the csv file CO2_IL_298.csv. The dataset consists of ninteen data points which provide the mole fraction of [bmim][PF6] and carbon dioxide and the pressure at three different temperatures."
+        "In the next cell, we will be importing `pandas` and the `.csv` file with preassure and composition data. For this example, we load data from the csv file CO2_IL_298.csv. The dataset consists of nineteen data points which provide the mole fraction of [bmim][PF6] and carbon dioxide and the pressure at three different temperatures."
       ]
     },
     {
@@ -771,4 +771,4 @@
   },
   "nbformat": 4,
   "nbformat_minor": 3
-}
\ No newline at end of file
+}
diff --git a/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_usr.ipynb b/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_usr.ipynb
index e42c5b93..8308ec3a 100644
--- a/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_usr.ipynb
+++ b/idaes_examples/notebooks/docs/properties/parameter_estimation_pr_usr.ipynb
@@ -116,7 +116,7 @@
       "source": [
         "### 2.4 Import data\n",
         "\n",
-        "In the next cell, we will be importing `pandas` and the `.csv` file with preassure and composition data. For this example, we load data from the csv file CO2_IL_298.csv. The dataset consists of ninteen data points which provide the mole fraction of [bmim][PF6] and carbon dioxide and the pressure at three different temperatures."
+        "In the next cell, we will be importing `pandas` and the `.csv` file with preassure and composition data. For this example, we load data from the csv file CO2_IL_298.csv. The dataset consists of nineteen data points which provide the mole fraction of [bmim][PF6] and carbon dioxide and the pressure at three different temperatures."
       ]
     },
     {
@@ -771,4 +771,4 @@
   },
   "nbformat": 4,
   "nbformat_minor": 3
-}
\ No newline at end of file
+}