diff --git a/source/developers/index.rst b/source/developers/index.rst
index 54053cae3..d2fc91a32 100644
--- a/source/developers/index.rst
+++ b/source/developers/index.rst
@@ -8,4 +8,4 @@ This page is for developers interested in working with xCAT.
    :maxdepth: 2
 
    git
-   mini-design
+   mini-design/index.rst
diff --git a/source/developers/mini-design/2.11/docker-swarm.rst b/source/developers/mini-design/2.11/docker-swarm.rst
new file mode 100644
index 000000000..dc44c4c66
--- /dev/null
+++ b/source/developers/mini-design/2.11/docker-swarm.rst
@@ -0,0 +1,2 @@
+Mini-design for Docker Swarm Support
+====================================
diff --git a/source/developers/mini-design.rst b/source/developers/mini-design/index.rst
similarity index 80%
rename from source/developers/mini-design.rst
rename to source/developers/mini-design/index.rst
index b44dd295f..35b63f803 100644
--- a/source/developers/mini-design.rst
+++ b/source/developers/mini-design/index.rst
@@ -13,12 +13,12 @@ The **Design Document** for certain feature.
 .. toctree::
    :maxdepth: 1
 
-   mini-design/2.11/docker
-   mini-design/2.11/docker-swarm
+   2.11/docker.rst
+   2.11/docker-swarm.rst
 
 2.10
 ----
 .. toctree::
    :maxdepth: 1
 
-   mini-design/2.10/xcatdebugmode
+   2.10/xcatdebugmode.rst