correct docstrings

.gitignore

@@ -5,4 +5,4 @@
 /.venv
 
 # Database
-/bot.db
+/*.db

database.py

@@ -5,14 +5,8 @@ Database - implement intercaction with the database.
 """
 
 class Database():
-    """
-    Implement intercaction with the database.
+    """Implement intercaction with the database."""
 
-    Methods:
-    add_user, find_user, add_feed, subscribe_user,
-    unsubscribe_user, delete_feed, find_feeds,
-    find_user_feeds, find_feed_items, update_feed_items.
-    """
     def __init__(self, path: str) -> None:
         """Create a database file if not exists."""
         self.conn = sqlite3.connect(path)
@@ -23,13 +17,13 @@ class Database():
         self.cur.execute('CREATE TABLE IF NOT EXISTS feeds_last_items (feed_id INTEGER, url TEXT NOT NULL UNIQUE, title TEXT, description TEXT, date NUMERIC, FOREIGN KEY(feed_id) REFERENCES feeds(id))')
 
     def add_user(self, telegram_id: str) -> int:
-        """Add a user's telegram id to the database and return his database id."""
+        """Add a user's telegram id to the database and return its database id."""
         self.cur.execute('INSERT INTO users (telegram_id) VALUES (?)', [telegram_id])
         self.conn.commit()
         return self.cur.lastrowid
 
     def find_user(self, telegram_id: str) -> int | None:
-        """Get a user's telegram id and return his database id."""
+        """Get a user's telegram id and return its database id."""
         self.cur.execute('SELECT id FROM users WHERE telegram_id = ?', [telegram_id])
         row = self.cur.fetchone()
         if row is None:
@@ -37,7 +31,7 @@ class Database():
         return row[0]
 
     def add_feed(self, url: str) -> int:
-        """Add a feed from to the database and return its id."""
+        """Add a feed to the database and return its id."""
         self.cur.execute('INSERT INTO feeds (url) VALUES (?)', [url])
         self.conn.commit()
         return self.cur.lastrowid
@@ -53,12 +47,12 @@ class Database():
         self.conn.commit()
 
     def delete_feed(self, feed_id: int) -> None:
-        """Delete a feed from the database."""
+        """Delete a feed."""
         self.cur.execute('DELETE FROM feeds WHERE id = ?', [feed_id])
         self.conn.commit()
 
     def find_feeds(self) -> list:
-        """Get a list of feeds from the database and returns it."""
+        """Get a list of feeds."""
         self.cur.execute('SELECT * FROM feeds')
         return self.cur.fetchall()
 
@@ -68,12 +62,12 @@ class Database():
         return self.cur.fetchall()
 
     def find_feed_items(self, feed_id: int) -> list:
-        """Get feed items and return it."""
+        """Get last feed items."""
         self.cur.execute('SELECT * FROM feeds_last_items WHERE feed_id = ?', [feed_id])
         return self.cur.fetchall()
 
     def update_feed_items(self, feed_id: int, new_items: list) -> None:
-        """Replace feed items from the database with a list items that receive."""
+        """Replace last feed items with a list items that receive."""
         for i in range(len(new_items)):
             new_items[i] = (feed_id,) + new_items[i]