diff --git a/program/copymaster.py b/program/copymaster.py
index 2e8a328..8294633 100644
--- a/program/copymaster.py
+++ b/program/copymaster.py
@@ -4,17 +4,33 @@
 import os
 import shutil
 
-# === CONFIG ===
-OUTPUTS_DIR = "/home/hyrenko/Diploma/outputs"   # откуда брать
-DEST_DIR = "/home/hyrenko/Diploma/response"     # базовая папка назначения
+# =========================
+# Config
+# =========================
+# Source directory containing run subfolders
+OUTPUTS_DIR = "/home/hyrenko/Diploma/outputs"
+# Destination base directory where JSON files will be copied
+DEST_DIR = "/home/hyrenko/Diploma/response"
 
-# создаём папки, если их нет
+# Ensure destination folders exist
 os.makedirs(DEST_DIR, exist_ok=True)
 os.makedirs(os.path.join(DEST_DIR, "gemma"), exist_ok=True)
 os.makedirs(os.path.join(DEST_DIR, "llama"), exist_ok=True)
 os.makedirs(os.path.join(DEST_DIR, "qwen"), exist_ok=True)
 
-# === PICK MODEL INTERACTIVELY ===
+
+# -----------------------------------------------------------------------------
+# pick_model()
+# Purpose:
+#   Interactive menu to choose which model's outputs should be collected.
+#
+# Behavior:
+#   - Prompts user to select one of: gemma / llama / qwen
+#   - Keeps asking until a valid selection is entered
+#
+# Returns:
+#   A lowercase model name string: "gemma", "llama", or "qwen"
+# -----------------------------------------------------------------------------
 def pick_model():
     print("\n=== Select model ===")
     print("[1] gemma")
@@ -31,16 +47,33 @@ def pick_model():
         else:
             print("Invalid selection, try again.")
 
-# === MAIN ===
+
+# -----------------------------------------------------------------------------
+# main()
+# Purpose:
+#   Copies 'responses.json' files from model-specific run folders inside OUTPUTS_DIR
+#   into a dedicated destination folder:
+#       DEST_DIR/<model_name>/
+#
+# Workflow:
+#   1) Ask user to pick a model name.
+#   2) Create destination folder DEST_DIR/<model_name>/ if needed.
+#   3) Scan all subdirectories in OUTPUTS_DIR.
+#   4) Keep only those whose folder name contains the selected model name.
+#   5) If <subdir>/responses.json exists, copy it to:
+#         DEST_DIR/<model_name>/<counter>.json
+#      where counter starts from 1 and increments for each copied file.
+#   6) Print a summary at the end.
+# -----------------------------------------------------------------------------
 def main():
     model_name = pick_model()
     print(f"\n[INFO] Selected model: {model_name}")
 
-    # Папка назначения — /response/<model_name>/
+    # Destination folder: /response/<model_name>/
     dest_path = os.path.join(DEST_DIR, model_name)
     os.makedirs(dest_path, exist_ok=True)
 
-    # Сканируем все подпапки в outputs
+    # Collect all subdirectories inside OUTPUTS_DIR
     subdirs = sorted([os.path.join(OUTPUTS_DIR, d) for d in os.listdir(OUTPUTS_DIR)
                       if os.path.isdir(os.path.join(OUTPUTS_DIR, d))])
 
@@ -48,7 +81,7 @@ def main():
     copied = 0
 
     for subdir in subdirs:
-        # фильтруем только те, где в названии есть имя модели
+        # Filter only subfolders whose name includes the selected model name
         if model_name not in subdir:
             continue
 
@@ -70,5 +103,6 @@ def main():
     if copied == 0:
         print("[WARN] No matching response.json files were found.")
 
+
 if __name__ == "__main__":
     main()