diff --git a/main.py b/main.py
index 03210e9..c5e4388 100644
--- a/main.py
+++ b/main.py
@@ -671,9 +671,11 @@ def _parse_result(a3m_string):
       if args.verbose:
         print(f"predict affinity ranking score with {model}:{ref_pkl}")
 
+      # model params
       setattr(args, "model_file", ref_pkl)
       setattr(args, "model_ckpt", os.path.join(args.ref_pkl, f"{model}_model.pth"))
 
+      # prepare variants
       feat = data.get_multimer(compose_pid(pid, "P"), chains)
       assert len(feat["str_var"]) == len(feat["variant_pid"])
       a3m_string = "\n".join(
@@ -685,12 +687,13 @@ def _parse_result(a3m_string):
         output_file_path = os.path.join(args.output_dir, f"{model}_{pid}.a3m")
         with open(output_file_path, "w") as output_file:
           setattr(args, "output_file", output_file)
-          energy.main(args)
+          energy.main(args)  # calc the Elo-score
         with open(output_file_path, "r") as output_file:
           a3m_string = output_file.read()
         for pid, pred in _parse_result(a3m_string):
           pred_dict[pid].append(pred)
 
+    # write results to csv
     with open(os.path.join(args.output_dir, f"{model}_pred.csv"), "w") as f:
       writer = csv.DictWriter(f, fieldnames=["id", "chains"] + task.task_name_list)
       writer.writeheader()
diff --git a/predict.sh b/predict.sh
index fdf581c..eff6da9 100755
--- a/predict.sh
+++ b/predict.sh
@@ -134,6 +134,7 @@ done
 python ${CWD}/main.py peptide_align \
   --output_dir ${output_dir}/a3m \
   --target_db ${output_dir}/tcr_pmhc_P.fa \
+  --target_db ${CWD}/data/tcr_pmhc_db_P.fa \
   --verbose \
   ${CWD}/data/tcr_pmhc_db/fasta/*_P.fasta \