diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..8d98afa7
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "doc"]
+	path = doc
+	url = https://github.com/cgsecurity/testdisk_documentation.git
diff --git a/doc b/doc
new file mode 160000
index 00000000..becbcc35
--- /dev/null
+++ b/doc
@@ -0,0 +1 @@
+Subproject commit becbcc35956102e064fc603720182113d887a180