diff --git a/README.md b/README.md
index 04ca5d9..f35bda9 100644
--- a/README.md
+++ b/README.md
@@ -32,14 +32,14 @@ We enable two ways to use Mouse2Vec on your datasets for downstream tasks.
 
 Execute
 ```shell
-CUDA_VISIBLE_DEVICES=3 python main.py --ssl True --load True --stage 0 --testDataset [Your Dataset]
+CUDA_VISIBLE_DEVICES=3 python main.py --sl True --load True --stage 0 --testDataset [Your Dataset]
 ```
 
 2. Finetune both Mouse2Vec and the classifier <br>
 
 Execute
 ```shell
-CUDA_VISIBLE_DEVICES=3 python main.py --ssl True --load True --stage 1 --testDataset [Your Dataset]
+CUDA_VISIBLE_DEVICES=3 python main.py --sl True --load True --stage 1 --testDataset [Your Dataset]
 ```
 
 # Citation 
diff --git a/main.py b/main.py
index e85e8a9..8bc7904 100644
--- a/main.py
+++ b/main.py
@@ -1,8 +1,4 @@
-import numpy as np
-import random, pdb, os, copy
 import argparse
-import pandas as pd
-import pickle as pkl
 import torch
 
 from utils import MakeDir, set_seed, str2bool
@@ -50,9 +46,14 @@ if __name__ == '__main__':
     if opt.ssl:
         '''
         Load dataset for pretraining the Autoencoder
-        taskdata: on-screen coordinates (x,y), their magnitude and phase
+        taskdata: on-screen coordinates (x,y), their magnitude and phase. Shape (N, 2, 200)
+        - N: the number of sliding windows generated from the mouse data
+        - 2: X or Y
+        - 200: 100 (20Hz * 5s) + 50 (half of 100 data points) + 50 (half of 100 data points), see the DFT function in utils.py
+        taskclicks: indicate if each mouse data point is a click (1) or move (0) event. Shape (N, 100)
+        - 100: 200Hz * 5s
         '''
-        taskdata, taskclicks = loadPretrainDataset(opt)
+        taskdata, taskclicks = loadPretrainDataset(opt) # Plug the loader of your dataset
         model = Model(opt).to(opt.device)
         self_supervised_learning(model, taskdata, taskclicks, opt, modelfile=aemodelfile)
 
@@ -60,7 +61,6 @@ if __name__ == '__main__':
         model = torch.load(aemodelfile, map_location=opt.device)
     else:
         model = Model(opt).to(opt.device)
-    pdb.set_trace()
 
     if opt.sl:
         '''