diff --git a/CodeExamples/CodeExamples.ipynb b/CodeExamples/CodeExamples.ipynb
index 7be7701341d850850c204dd07cf7142f08617933..0c8e69cb63c21b00329391d0f68a598e4d39797a 100644
--- a/CodeExamples/CodeExamples.ipynb
+++ b/CodeExamples/CodeExamples.ipynb
@@ -98,10 +98,10 @@
     "> [LineCount](LineCount.ipynb): Open a file and countv the number of lines  (with error trap for wrong filename).  \n",
     "> [ImageShow](ImageShow.ipynb): Read and display an image file using Matplotlib.  \n",
     "\n",
-    "#### Data supplied\n",
+    "Data supplied\n",
     "\n",
     "> [burns.txt](burns.txt): A bit of culture !!!  \n",
-    "> [cosdata.txt](cosdata.txt): Output from RangeLooptoFile.py  \n",
+    "> [cosdata.txt](cosdata.txt): Output from [RangeLooptoFile](RangeLooptoFile.ipynb) \n",
     "> [sample.txt](sample.txt): Data for [Checkpoint 4](../Checkpoints/Checkpoint4.ipynb).  \n",
     "> [stones.jpg](stones.jpg):\tStones on Scottish beach.  \n",
     "\n",
@@ -145,7 +145,7 @@
     "> [Vector](Vectors.ipynb): A more complete Vector3d class than presented in the notes with some more complex Python constructs.  \n",
     "> [Molecule](Molecule.ipynb): A solution to optional checkpoint 6 with some more additional ```Python``` concepts.  \n",
     "\n",
-    "#### Data supplied\n",
+    "Data supplied\n",
     "\n",
     "> [oxygen.data](oxygen.data): Data for a single oxyxen atom to test [Molecule](Molecule.ipynb)  \n",
     "> [water.data](water.data): Data for water molecule to test [Molecule](Molecule.ipynb)  \n",