diff --git a/examples/Chapter7.ipynb b/examples/Chapter7.ipynb
index 09c75b4..f4b864c 100644
--- a/examples/Chapter7.ipynb
+++ b/examples/Chapter7.ipynb
@@ -2343,8 +2343,8 @@
    "source": [
     "### Lisp files concerned in this chapter\n",
     "\n",
-    "``simplicial-sets.lisp``, ``delta.lisp``, ``specials-smsts.lisp``,\n",
-    "``cartesian-products.lisp``.\n",
+    "``simplicial-sets.lisp``, ``delta.lisp``, ``specials-smsts.lisp``, ``cartesian-products.lisp``.\n",
+    "\n",
     "[``classes.lisp``, ``macros.lisp``, ``various.lisp``]."
    ]
   }