diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..0dccd39b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "docs/private"]
+	path = docs/private
+	url = https://github.com/moe-charm/nyash-private-docs
diff --git a/docs/private b/docs/private
new file mode 160000
index 00000000..704580b1
--- /dev/null
+++ b/docs/private
@@ -0,0 +1 @@
+Subproject commit 704580b11378650093ebb7a97871ec33e704f6ae