file extension naming correction

notebooks/lab2.ipynb

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@@ -98,7 +98,7 @@
       "    Provides train/test indices to split data in train test sets. Split dataset into k consecutive folds (without shuffling).\n",
       "\n",
       " You can visit the scikit.learn documentation to look at all the other options. This code is also posted as a template in \n",
-      " `/usr/ccrma/courses/mir2014/Toolboxes/crossValidationTemplate.m`\n",
+      " `/usr/ccrma/courses/mir2014/Toolboxes/crossValidationTemplate.py`\n",
       "     "
      ]
     },