diff --git a/docs/source/examples/index.rst b/docs/source/examples/index.rst
index 7dbc90140..38bc51e26 100644
--- a/docs/source/examples/index.rst
+++ b/docs/source/examples/index.rst
@@ -19,7 +19,7 @@ General Usage
     post-processing
     pandas-dataframes
     tally-arithmetic
-    CAPI
+    capi
     expansion-filters
     search
     nuclear-data
diff --git a/examples/jupyter/capi.ipynb b/examples/jupyter/capi.ipynb
index eab0604da..e696d6b01 100644
--- a/examples/jupyter/capi.ipynb
+++ b/examples/jupyter/capi.ipynb
@@ -4,6 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
+    "# Using the C/C++ API\n",
     "This notebook shows how to use the OpenMC C/C++ API through the openmc.lib module. This module is particularly useful for multiphysics coupling because it allows you to update the density of materials and the temperatures of cells in memory, without stopping the simulation.\n",
     "\n",
     "Warning: these bindings are still somewhat experimental and may be subject to change in future versions of OpenMC."
@@ -466,7 +467,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.0"
+   "version": "3.8.3"
   }
  },
  "nbformat": 4,