link fix

notebooks/ptype_ml.ipynb

@@ -42,7 +42,7 @@
     "\n",
     "| Concepts | Importance | Notes |\n",
     "| --- | --- | --- |\n",
-    "| [Machine Learning Foundations in the Earth Systems Sciences](https://elearning.unidata.ucar.edu/dataeLearning/Cybertraining/foundations/#/) | Necessary | |\n",
+    "| [Machine Learning Foundations in the Earth Systems Sciences](https://elearning.unidata.ucar.edu/dataeLearning/Cybertraining/foundations/) | Necessary | |\n",
     "| [10 minutes to pandas](https://pandas.pydata.org/docs/user_guide/10min.html) | Necessary | |\n",
     "| [Pyplot tutorial](https://matplotlib.org/stable/tutorials/pyplot.html) | Helpful | Necessary |\n",
     "| [Numpy: the absolute basics for beginners](https://numpy.org/doc/stable/user/absolute_beginners.html) | Great to have | arrays are the language of machine learning |\n",