typo

Author: JiaweiZhuang

Chapter00_basic_python.ipynb

@@ -913,7 +913,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "With direct access to each Axis, it is very easy to fine-tune each sub-panel. The [multi-panel plot in IDL](http://www.harrisgeospatial.com/docs/MultiViz.html) was a big pain for me, because swichting between panels was really cumbersome. I used to spend a long time fine-tuning IDL's graphics, just to make a well-looking plot for the paper. That was a huge waste of time and energy..."
+    "With direct access to each Axis, it is very easy to fine-tune each sub-panel. The [multi-panel plot in IDL](http://www.harrisgeospatial.com/docs/MultiViz.html) was a big pain for me, because switching between panels was really cumbersome. I used to spend a long time fine-tuning IDL's graphics, just to make a well-looking plot for the paper. That was a huge waste of time and energy..."
    ]
   },
   {
@@ -934,6 +934,8 @@
     }
    ],
    "source": [
+    "# fine-tune existing plots\n",
+    "\n",
     "axes[0].set_title('my fisrt plot')\n",
     "axes[1].set_title('my second plot')\n",
     "\n",