diff --git a/notebooks/05 Timeseries Forecasting.ipynb b/notebooks/05 Timeseries Forecasting.ipynb
index ad4b80f1..22e36cf0 100644
--- a/notebooks/05 Timeseries Forecasting.ipynb	
+++ b/notebooks/05 Timeseries Forecasting.ipynb	
@@ -1,6 +1,7 @@
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@@ -45,6 +47,7 @@
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@@ -155,6 +163,7 @@
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@@ -183,12 +192,13 @@
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    "source": [
     "If you now group by the new `id` column, each of the groups will be a certain stock symbol until and including the data until a certain day (and including the last 20 days in the past).\n",
     "\n",
-    "Whereas we started with 1259 data samples:"
+    "Whereas we started with 1257 data samples:"
    ]
   },
   {
@@ -201,10 +211,11 @@
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+   "attachments": {},
    "cell_type": "markdown",
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    "source": [
-    "we now have 1254 unique windows (identified by stock symbol and ending date):"
+    "we now have 1252 unique windows (identified by stock symbol and ending date):"
    ]
   },
   {
@@ -217,6 +228,7 @@
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@@ -233,6 +245,7 @@
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@@ -240,6 +253,7 @@
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@@ -254,6 +269,7 @@
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@@ -286,6 +302,7 @@
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@@ -304,6 +321,7 @@
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@@ -320,6 +338,7 @@
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@@ -327,6 +346,7 @@
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@@ -334,6 +354,7 @@
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@@ -355,6 +376,7 @@
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@@ -367,10 +389,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "y[\"2020-07-13\"], df[\"2020-07-14\"].iloc[0]"
+    "y[\"2020-07-13\"], df[\"2020-07-14\"]"
    ]
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@@ -389,6 +412,7 @@
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@@ -420,6 +444,7 @@
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@@ -447,6 +472,7 @@
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@@ -507,7 +535,7 @@
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