diff --git a/docs.json b/docs.json
index 12af96f3..f05d25c8 100644
--- a/docs.json
+++ b/docs.json
@@ -3,13 +3,19 @@
   "content": [
     "lib/application.js",
     "lib/loopback.js",
-    "lib/middleware/token.js",
+{ "title": "Base model", "depth": 2 },     
+    "lib/models/model.js",    
+    "lib/models/data-model.js",
+{ "title": "Middleware", "depth": 2 },    
+    "lib/middleware/rest.js",
+    "lib/middleware/status.js",
+    "lib/middleware/token.js",    
+    "lib/middleware/urlNotFound.js",
+{ "title": "Built-in models", "depth": 2 },     
     "lib/models/access-token.js",
     "lib/models/acl.js",
     "lib/models/application.js",
     "lib/models/email.js",
-    "lib/models/model.js",
-    "lib/models/data-model.js",
     "lib/models/role.js",
     "lib/models/user.js"
   ],