diff --git a/translations/ja/3-Data-Visualization/11-visualization-proportions/notebook.ipynb b/translations/ja/3-Data-Visualization/11-visualization-proportions/notebook.ipynb
index 0ef9da759..75708e2c8 100644
--- a/translations/ja/3-Data-Visualization/11-visualization-proportions/notebook.ipynb
+++ b/translations/ja/3-Data-Visualization/11-visualization-proportions/notebook.ipynb
@@ -2,7 +2,9 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "source": [],
+   "source":  [
+    "# 🍄 Mushroom Proportions"
+   ],
    "metadata": {}
   },
   {
@@ -27,4 +29,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 2
-}
\ No newline at end of file
+}