diff --git a/benchmarks/.ipynb_checkpoints/cython_least_squares-checkpoint.ipynb b/benchmarks/.ipynb_checkpoints/cython_least_squares-checkpoint.ipynb
index ac28769..9174704 100644
--- a/benchmarks/.ipynb_checkpoints/cython_least_squares-checkpoint.ipynb
+++ b/benchmarks/.ipynb_checkpoints/cython_least_squares-checkpoint.ipynb
@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:e0aeebc5816e30eb2937ee4b331a3885fbaf1583183823ad07fb79e368b90290"
+  "signature": "sha256:14c3265ea9accf7a70bb5032b9e2b881a487f6b81b55999ef8578645edf4e3dd"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -15,7 +15,7 @@
       "[Sebastian Raschka](www.sebastianraschka.com)  \n",
       "last updated: 05/04/2014\n",
       "\n",
-      "- [Link to this IPython Notebook on GitHub](https://github.com/rasbt/python_reference/blob/master/not_so_obvious_python_stuff.ipynb)  \n",
+      "- [Link to this IPython Notebook on GitHub](https://github.com/rasbt/python_reference/blob/master/benchmarks/cython_least_squares.ipynb)  \n",
       "- [Link to the GitHub repository](https://github.com/rasbt/python_reference)"
      ]
     },
diff --git a/benchmarks/cython_least_squares.ipynb b/benchmarks/cython_least_squares.ipynb
index ac28769..9174704 100644
--- a/benchmarks/cython_least_squares.ipynb
+++ b/benchmarks/cython_least_squares.ipynb
@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:e0aeebc5816e30eb2937ee4b331a3885fbaf1583183823ad07fb79e368b90290"
+  "signature": "sha256:14c3265ea9accf7a70bb5032b9e2b881a487f6b81b55999ef8578645edf4e3dd"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -15,7 +15,7 @@
       "[Sebastian Raschka](www.sebastianraschka.com)  \n",
       "last updated: 05/04/2014\n",
       "\n",
-      "- [Link to this IPython Notebook on GitHub](https://github.com/rasbt/python_reference/blob/master/not_so_obvious_python_stuff.ipynb)  \n",
+      "- [Link to this IPython Notebook on GitHub](https://github.com/rasbt/python_reference/blob/master/benchmarks/cython_least_squares.ipynb)  \n",
       "- [Link to the GitHub repository](https://github.com/rasbt/python_reference)"
      ]
     },