diff --git a/tutorials/scope_resolution_legb_rule.ipynb b/tutorials/scope_resolution_legb_rule.ipynb
index 1ad6b74..03f18ba 100644
--- a/tutorials/scope_resolution_legb_rule.ipynb
+++ b/tutorials/scope_resolution_legb_rule.ipynb
@@ -16,7 +16,8 @@
       "\n",
       "- [Link to the containing GitHub Repository](https://github.com/rasbt/python_reference)\n",
       "- [Link to this IPython Notebook on GitHub](https://github.com/rasbt/python_reference/blob/master/tutorials/scope_resolution_legb_rule.ipynb)\n",
-      "\n"
+      "\n",
+      "Note: The code in this IPython notebook was executed in Python 3.4.0"
      ]
     },
     {