diff --git a/markdown_sqlite.py b/markdown_sqlite.py
index 0329b77..5af88f6 100644
--- a/markdown_sqlite.py
+++ b/markdown_sqlite.py
@@ -7,10 +7,11 @@ The script tracks changes using MD5 hashes and ensures the database
 reflects the current state of the markdown file.
 """
 
+import os
 import sqlite3
 import hashlib
 import argparse
-import os
+import logging
 from datetime import datetime
 from typing import List, Tuple, Optional
 from markdown_it import MarkdownIt
@@ -154,6 +155,7 @@ class MarkdownProcessor:
 
     def clear_document_content(self, document_id: int) -> None:
         """Clear existing content for a document in the database."""
+        logging.debug(f"!! DELETING FROM DATABASE, document_id: {document_id}")
         self.db_manager.cursor.execute('DELETE FROM headings WHERE document_id = ?', (document_id,))
         self.db_manager.cursor.execute('DELETE FROM body WHERE document_id = ?', (document_id,))
 
@@ -162,6 +164,10 @@ class MarkdownProcessor:
         parent_stack: List[Tuple[int, int]] = []  # (level, heading_id)
         current_heading_id = None
         for token in tokens:
+            content_preview = ' '.join(token.content.split()[:10]) + '...' \
+                if len(token.content.split()) > 10 else token.content
+            
+            logging.debug(f"Processing token: {token.type}, content: {content_preview}")
             if token.type == 'heading_open':
                 level = int(token.tag.strip('h'))
                 content_token = tokens[tokens.index(token) + 1]
@@ -318,11 +324,7 @@ class TopicReader:
     def _fetch_subtopics(self, heading_id: int, parent_level: int) -> List[Tuple[int, int, str]]:
         """
         Fetch all subtopics that are children of the given heading.
-        
-        Args:
-            heading_id (int): The parent heading ID.
-            parent_level (int): The level of the parent heading.
-            
+
         Returns:
             List of tuples containing the subtopic's ID, level, and title.
         """
@@ -458,6 +460,7 @@ def main():
         topic_title: Optional topic for content selection (fuzzy matching enabled).
         --bootstrap: If provided, generates markdown calendar for the current year and loads it to the database.
         --ls: If provided, lists all available headings.
+        --html: If provided, will produce {filename}.html file along the markdown file.
     """
     # Set up command-line argument parsing
     parser = argparse.ArgumentParser(description='Process markdown file and optionally select a topic.')
@@ -467,7 +470,12 @@ def main():
     parser.add_argument('--bootstrap', action='store_true', help='Generate markdown calendar for the current year and load it to the database.')
     parser.add_argument('--ls', action='store_true', help='List all available headings.')
     parser.add_argument('--html', action='store_true', help='Generate an HTML version of the output')
+    parser.add_argument('--debug', action='store_true', help='Enable debug printing')
     args = parser.parse_args()
+    
+    # Set up logging
+    logging.basicConfig(level=logging.DEBUG if args.debug else logging.INFO)
+
 
     # Use the provided or default file paths
     markdown_file = args.markdown