diff --git a/ml1/2_5_0_Machine_Learning.ipynb b/ml1/2_5_0_Machine_Learning.ipynb
index b4e9975..9016e78 100644
--- a/ml1/2_5_0_Machine_Learning.ipynb
+++ b/ml1/2_5_0_Machine_Learning.ipynb
@@ -55,7 +55,7 @@
    "source": [
     "This is an introduction of general ideas about machine learning and the interface of scikit-learn, taken from the [scikit-learn tutorial](http://www.astroml.org/sklearn_tutorial/general_concepts.html). \n",
     "\n",
-    "You can skip it during the lab session and read it later,"
+    "You can skip it during the lab session and read it later."
    ]
   },
   {
@@ -111,7 +111,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    In *unsupervised machine learning models*, the machine learning model algorithm takes as input the feature vectors. It produces a predictive model that is used to fit its parameters to summarize the best regularities found in the data.\n",
+    "In *unsupervised machine learning models*, the machine learning model algorithm takes as input the feature vectors. It produces a predictive model that is used to fit its parameters to summarize the best regularities found in the data.\n",
     "![](files/images/plot_ML_flow_chart_3.png)"
    ]
   },