diff --git a/notebooks/11_maze_tuto.ipynb b/notebooks/11_maze_tuto.ipynb
index f112e29510..232165e15c 100644
--- a/notebooks/11_maze_tuto.ipynb
+++ b/notebooks/11_maze_tuto.ipynb
@@ -554,7 +554,7 @@
     "```python\n",
     "with solver_factory() as solver:\n",
     "    MyDomain.solve_with(solver, domain_factory)\n",
-    "    rollout(domain=domain, solver=solver\n",
+    "    rollout(domain=domain, solver=solver)\n",
     "```"
    ]
   },
diff --git a/notebooks/12_gym_tuto.ipynb b/notebooks/12_gym_tuto.ipynb
index 9e0241cbf6..cbd36994e1 100644
--- a/notebooks/12_gym_tuto.ipynb
+++ b/notebooks/12_gym_tuto.ipynb
@@ -403,7 +403,7 @@
     "```python\n",
     "with solver_factory() as solver:\n",
     "    MyDomain.solve_with(solver, domain_factory)\n",
-    "    rollout(domain=domain, solver=solver\n",
+    "    rollout(domain=domain, solver=solver)\n",
     "```"
    ]
   },