diff --git a/book/features/widgets.ipynb b/book/features/widgets.ipynb
index e8e9fd5..361cb93 100644
--- a/book/features/widgets.ipynb
+++ b/book/features/widgets.ipynb
@@ -11,7 +11,7 @@
     "## `matplotlib` widgets\n",
     "When you'd like to use `ipywidgets` in combinations with a `matplotlib` figure, import the following packages:\n",
     "\n",
-    "```{python}\n",
+    "```python\n",
     "import ipywidgets as widgets\n",
     "import micropip\n",
     "await micropip.install(\"ipympl\")\n",
@@ -19,13 +19,13 @@
     "\n",
     "Activate the correct output format:\n",
     "\n",
-    "```{python}\n",
+    "```python\n",
     "%matplotlib widget\n",
     "```\n",
     "\n",
     "Write the code which generates your plot in a function:\n",
     "\n",
-    "```{python}\n",
+    "```python\n",
     "fig = plt.figure()  # Define the figure once\n",
     "ax = fig.add_subplot(1,1,1)       # Define the axis once\n",
     "\n",
@@ -37,7 +37,7 @@
     "\n",
     "Initiate the widget:\n",
     "\n",
-    "```{python}\n",
+    "```python\n",
     "input_slider = widgets.FloatSlider(value=0, min=0, max=10, step=1, description='Input variable:') # Defines a widget, more options than just FloatSlider\n",
     "widgets.interact(update_plot, input_variable_from_widget = input_slider);\n",
     "```\n"