Update notebook.ipynb

1-Introduction/01-defining-data-science/notebook.ipynb

@@ -212,7 +212,7 @@
    "cell_type": "markdown",
    "source": [
     "\r\n",
-    "We obtained a list terms together with associated degree of importance. As you can see, the most relevant disciplines, such as machine learning and big data, are present in the list at top positions.\r\n",
+    "We obtained a list of terms together with associated degree of importance. As you can see, the most relevant disciplines, such as machine learning and big data, are present in the list at top positions.\r\n",
     "\r\n",
     "## Step 4: Visualizing the Result\r\n",
     "\r\n",