diff --git a/core/xarray/computation-masking.ipynb b/core/xarray/computation-masking.ipynb
index 5c7467dfd..3e3c29f5b 100644
--- a/core/xarray/computation-masking.ipynb
+++ b/core/xarray/computation-masking.ipynb
@@ -337,7 +337,7 @@
    "source": [
     "<div class=\"admonition alert alert-info\">\n",
     "\n",
-    "In the above code example, we are extracting components of date/time data by way of the time coordinate's `.dt` attribute. This attribute is a `DatetimeAccessor` object that contains additional attributes for units of time, such as hour, day, and year. Since we are splitting the data into monthly data, we use the `month` attribute of .dt in this example. (In addition, there exists similar functionality in Pandas; see the [official documentation](https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.dt.html) for details.)\n",
+    "In the above code example, we are extracting components of date/time data by way of the time coordinate's `.dt` attribute. This attribute is a `DatetimeAccessor` object that contains additional attributes for units of time, such as hour, day, and year. Since we are splitting the data into monthly data, we use the `month` attribute of .dt in this example. (In addition, there exists similar functionality in Pandas; see the [official documentation](https://pandas.pydata.org/docs/reference/api/pandas.Series.dt.month.html) for details.)\n",
     "    \n",
     "   </div>"
    ]