diff --git a/src/controller/index.js b/src/controller/index.js
index 32b0360..b8183d3 100644
--- a/src/controller/index.js
+++ b/src/controller/index.js
@@ -25,7 +25,6 @@ router.use("/bay", bayRouter);
 router.use("/row", rowRouter);
 router.use("/level", levelRouter);
 router.use("/sublevel", sublevelRouter);
-
 router.use("/dashboard", dashboardRouter);
 
 router.get("/", (req, res) => {
diff --git a/src/controller/sublevel.router.js b/src/controller/sublevel.router.js
index 8ca2863..42a3cb6 100644
--- a/src/controller/sublevel.router.js
+++ b/src/controller/sublevel.router.js
@@ -12,8 +12,13 @@ router.get("/:id", controller.getSubLevelByID);
 router.post("/", controller.createSubLevel);
 
 /**
- * @route /sublevel/
+ * @route /sublevel/:id
  */
 router.patch("/:id", controller.updateSubLevelDetailsByID);
 
+/**
+ * - delete
+ * - add prefered_inventory
+ */
+
 module.exports = router;
diff --git a/src/models/Level.js b/src/models/Level.js
index 8248963..c33565d 100644
--- a/src/models/Level.js
+++ b/src/models/Level.js
@@ -14,8 +14,7 @@ const schema = new mongoose.Schema(
       trim: true,
     },
     specs: {
-      // TODO: TBD
-      type: String,
+      type: Object,
       trim: true,
     },
     bay_id: {