diff --git a/openmm_md/plain_md.ipynb b/openmm_md/plain_md.ipynb
index ab17e76..64116f4 100644
--- a/openmm_md/plain_md.ipynb
+++ b/openmm_md/plain_md.ipynb
@@ -12,7 +12,7 @@
     "tags": []
    },
    "source": [
-    "# Running a Molecular Dynamics (MD) simulation of a protein-ligand complex"
+    "# Running a Molecular Dynamics (MD) simulation of a protein-ligand complex\n"
    ]
   },
   {