diff --git a/notebooks/jacobi_method.ipynb b/notebooks/jacobi_method.ipynb
index d125cc9..cfd67f9 100644
--- a/notebooks/jacobi_method.ipynb
+++ b/notebooks/jacobi_method.ipynb
@@ -1416,8 +1416,8 @@
     "```\n",
     "\n",
     "    a) It is correct.\n",
-    "    c) It is incorrect, but it might provide the right result depending on the MPI implementation.\n",
-    "    b) It is incorrect, and it is guaranteed that it will result in a dead lock.\n",
+    "    b) It is incorrect, but it might provide the right result depending on the MPI implementation.\n",
+    "    c) It is incorrect, and it is guaranteed that it will result in a dead lock.\n",
     "    d) This implementation does not work when distributing over just a single MPI rank.\n"
    ]
   },