diff --git a/examples/Rigid_body_dynamics.ipynb b/examples/Rigid_body_dynamics.ipynb
index 833f3cff1..b723efc7a 100644
--- a/examples/Rigid_body_dynamics.ipynb
+++ b/examples/Rigid_body_dynamics.ipynb
@@ -8,7 +8,7 @@
"\n",
"First, we install the necessary packages and import them.\n",
"\n",
- "\n",
+ "\n",
" \n",
""
]