diff --git a/examples/user_guide/Customizing_Plots.ipynb b/examples/user_guide/Customizing_Plots.ipynb
index 6007aa78a5..8d52593fa5 100644
--- a/examples/user_guide/Customizing_Plots.ipynb
+++ b/examples/user_guide/Customizing_Plots.ipynb
@@ -706,9 +706,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "tags": []
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "overlay = hv.Curve([1, 2, 3], vdims=['A']) * hv.Curve([2, 3, 4], vdims=['A']) * hv.Curve([3, 2, 1], vdims=['B'])\n",
@@ -717,9 +715,7 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {
-    "tags": []
-   },
+   "metadata": {},
    "source": [
     "Additional value dimensions do map to additional axes but be aware that support of multi axes beyond twin axes is currently considered experimental.\n",
     "\n",
@@ -731,9 +727,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "tags": []
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "overlay.opts(multi_y=True)"
@@ -756,9 +750,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "tags": []
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "(hv.Curve([1, 2, 3], vdims=['A']) * hv.Curve([2, 3, 4], vdims=['B']).opts(autorange='y', invert_yaxis=True, logy=True, ylim=(1,10))).opts(multi_y=True)"
@@ -781,5 +773,5 @@
   }
  },
  "nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
 }