diff --git a/010-indexing.ipynb b/010-indexing.ipynb
index 169eed8..cf8b9ae 100644
--- a/010-indexing.ipynb
+++ b/010-indexing.ipynb
@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Accessing Array Data: Indexing and Views"
+    "# Accessing Array Data: Indexing and Views."
    ]
   },
   {