diff --git a/p1/p1.ipynb b/p1/p1.ipynb
index 9e778b3eed281ff823ece52e46393c109760acbd..5a5549c02ec827c4e4806fcf0857021f63466743 100644
--- a/p1/p1.ipynb
+++ b/p1/p1.ipynb
@@ -3,7 +3,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "d7687212",
+   "id": "26245a58",
    "metadata": {
     "cell_type": "code",
     "deletable": false,
@@ -19,7 +19,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "5a9e68fd",
+   "id": "c9a32093",
    "metadata": {
     "deletable": false
    },
@@ -36,7 +36,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1f7148e8",
+   "id": "9125244f",
    "metadata": {
     "deletable": false,
     "editable": false
@@ -48,7 +48,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "2506ec80",
+   "id": "aaf28663",
    "metadata": {
     "tags": []
    },
@@ -63,7 +63,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "49586bd4",
+   "id": "b6a624b0",
    "metadata": {
     "deletable": false,
     "editable": false
@@ -75,7 +75,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "462bcd1f",
+   "id": "e9cbc891",
    "metadata": {
     "deletable": false,
     "editable": false
@@ -87,7 +87,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "fdbb5e85",
+   "id": "34e3ebc7",
    "metadata": {
     "tags": []
    },
@@ -101,7 +101,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "f431b8b4",
+   "id": "35fe8b4d",
    "metadata": {
     "deletable": false,
     "editable": false
@@ -113,7 +113,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f1397ae4",
+   "id": "21f45de4",
    "metadata": {
     "deletable": false,
     "editable": false
@@ -131,7 +131,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "49cef762",
+   "id": "a6f723c8",
    "metadata": {
     "cell_type": "code",
     "deletable": false,
@@ -147,20 +147,20 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "f0f8872d",
+   "id": "e12b2177",
    "metadata": {
-    "cell_type": "code",
     "deletable": false,
     "editable": false
    },
    "outputs": [],
    "source": [
+    "# Save your notebook first, then run this cell to export your submission.\n",
     "grader.export(pdf=False, run_tests=True)"
    ]
   },
   {
    "cell_type": "markdown",
-   "id": "67c217c2",
+   "id": "1189b824",
    "metadata": {
     "deletable": false,
     "editable": false