diff --git a/notebooks/404.ipynb b/notebooks/404.ipynb
index 6cc9a3e0..b3e0b014 100644
--- a/notebooks/404.ipynb
+++ b/notebooks/404.ipynb
@@ -62,7 +62,7 @@
"\n",
"New chapters are coming out every week. To get notified when a new chapter (or this one) comes out, follow us on Mastodon.\n",
"\n",
- ""
+ ""
]
},
{
diff --git a/notebooks/index.ipynb b/notebooks/index.ipynb
index a7a210f7..65743b1c 100644
--- a/notebooks/index.ipynb
+++ b/notebooks/index.ipynb
@@ -59,7 +59,7 @@
"\n",
"This book is _work in progress_, with new chapters being released every week. To get notified on updates, follow us on Mastodon.\n",
"\n",
- ""
+ ""
]
},
{