diff --git a/notebooks/tuples.ipynb b/notebooks/tuples.ipynb
index 6d50ed0..2920e08 100644
--- a/notebooks/tuples.ipynb
+++ b/notebooks/tuples.ipynb
@@ -34,7 +34,7 @@
      "source": [
       "The tuple is a sequence container not unlike the list except that once created you cannot change it. You might wonder why such a container even exists, and the real answer is that it is designed principally for holding sequences of values where the _position_ of an item has significance.\n",
       "\n",
-      "For example, [the `os.stat()` library function call](http://docs.python.org/2/library/os.html#os.stat \"\") used to return a tuple of nine elements: if `s` is the output of an `os.stat()` call on a specific path then `s[8]` is the creation time of that path and `s[7]` is its modification time."
+      "For example, prior to Python 2.6, [the `os.stat()` library function call](http://docs.python.org/2/library/os.html#os.stat \"\") used to return a tuple of nine elements: if `s` is the output of an `os.stat()` call on a specific path then `s[8]` is the creation time of that path and `s[7]` is its modification time."
      ]
     },
     {
@@ -327,4 +327,4 @@
    "metadata": {}
   }
  ]
-}
\ No newline at end of file
+}