diff --git "a/extras/solutions/\360\237\233\240_10_Time_series_fundamentals_and_Milestone_Project_3_BitPredict_\360\237\222\260\360\237\223\210_Exercise_Solutions.ipynb" "b/extras/solutions/\360\237\233\240_10_Time_series_fundamentals_and_Milestone_Project_3_BitPredict_\360\237\222\260\360\237\223\210_Exercise_Solutions.ipynb"
index 6312a98..f92017d 100644
--- "a/extras/solutions/\360\237\233\240_10_Time_series_fundamentals_and_Milestone_Project_3_BitPredict_\360\237\222\260\360\237\223\210_Exercise_Solutions.ipynb"
+++ "b/extras/solutions/\360\237\233\240_10_Time_series_fundamentals_and_Milestone_Project_3_BitPredict_\360\237\222\260\360\237\223\210_Exercise_Solutions.ipynb"
@@ -1535,7 +1535,7 @@
       },
       "source": [
         "ds = tf.keras.utils.timeseries_dataset_from_array(\n",
-        "    data = prices , targets = prices , sequence_length = WINDOW_SIZE , sequence_stride = HORIZON, \n",
+        "    data = prices[:-WINDOW_SIZE] , targets = prices[WINDOW_SIZE:] , sequence_length = WINDOW_SIZE , sequence_stride = HORIZON, \n",
         "    batch_size = 128\n",
         ")"
       ],
@@ -4784,4 +4784,4 @@
       "outputs": []
     }
   ]
-}
\ No newline at end of file
+}