small typo fix in nb 16, minitot_batch_length -> mini_batch_length

Author: rasbt

code/ch16/ch16.ipynb

@@ -1633,7 +1633,7 @@
     "def reshape_data(sequence, batch_size, num_steps):\n",
     "    mini_batch_length = batch_size * num_steps\n",
     "    num_batches = int(len(sequence) / mini_batch_length)\n",
-    "    if num_batches*minitot_batch_length + 1 > len(sequence):\n",
+    "    if num_batches*mini_batch_length + 1 > len(sequence):\n",
     "        num_batches = num_batches - 1\n",
     "    ## Truncate the sequence at the end to get rid of \n",
     "    ## remaining charcaters that do not make a full batch\n",
@@ -2866,7 +2866,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.4"
+   "version": "3.6.6"
   },
   "toc": {
    "nav_menu": {},