diff --git a/.gitmodules b/.gitmodules
index 0de6597..5f5aa50 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "share/openbr/models"]
 	path = share/openbr/models
 	url = https://github.com/biometrics/openbr-models.git
+[submodule "share/openbr/doc"]
+	path = share/openbr/doc
+	url = https://github.com/biometrics/openbr-doc.git
diff --git a/share/openbr/doc b/share/openbr/doc
new file mode 160000
index 0000000..1e15285
--- /dev/null
+++ b/share/openbr/doc
@@ -0,0 +1 @@
+Subproject commit 1e15285dd2cb2c2de364f5e15762ea69dfa124b8