diff --git a/docs/api/grids.core.rst b/docs/api/grids.core.rst
new file mode 100644
index 00000000..60155cb2
--- /dev/null
+++ b/docs/api/grids.core.rst
@@ -0,0 +1,6 @@
+
+``tailbone.grids.core``
+=======================
+
+.. automodule:: tailbone.grids.core
+  :members:
diff --git a/docs/index.rst b/docs/index.rst
index ffa516e9..b19d859f 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -46,6 +46,7 @@ Package API:
    api/api/batch/ordering
    api/forms
    api/grids
+   api/grids.core
    api/progress
    api/subscribers
    api/views/batch