diff --git a/database.py b/database.py
index 70bc8a0..2ed0774 100644
--- a/database.py
+++ b/database.py
@@ -5,44 +5,45 @@ class Database():
         self.cur = self.conn.cursor()
         self.cur.execute('CREATE TABLE IF NOT EXISTS users (id INTEGER, telegram_id NUMERIC NOT NULL UNIQUE, PRIMARY KEY(id))')
         self.cur.execute('CREATE TABLE IF NOT EXISTS feeds (id INTEGER, url TEXT NOT NULL UNIQUE, PRIMARY KEY(id))')
-        self.cur.execute('CREATE TABLE IF NOT EXISTS subscribes (user_id INTEGER, feed_id INTEGER, FOREIGN KEY(user_id) REFERENCES users(id), FOREIGN KEY(feed_id) REFERENCES feeds(id))')
+        self.cur.execute('CREATE TABLE IF NOT EXISTS subscriptions (user_id INTEGER, feed_id INTEGER, FOREIGN KEY(user_id) REFERENCES users(id), FOREIGN KEY(feed_id) REFERENCES feeds(id))')
+        self.cur.execute('CREATE UNIQUE INDEX IF NOT EXISTS subscriptions_index ON subscriptions (user_id, feed_id)')
         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:
-        self.cur.execute('INSERT INTO users (telegram_id) VALUES (?)', (telegram_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:
-        self.cur.execute('SELECT id FROM users WHERE telegram_id = ?', (telegram_id,))
+        self.cur.execute('SELECT id FROM users WHERE telegram_id = ?', [telegram_id])
         row = self.cur.fetchone()
         if row is None:
             return None
         return row[0]
 
     def add_feed(self, url: str) -> int:
-        self.cur.execute('INSERT INTO feeds (url) VALUES (?)', (url,))
+        self.cur.execute('INSERT INTO feeds (url) VALUES (?)', [url])
         self.conn.commit()
         return self.cur.lastrowid
 
     def subscribe_user(self, user_id: int, feed_id: int) -> None:
-        self.cur.execute('INSERT INTO subscribes (user_id, feed_id) VALUES (?, ?)', (user_id, feed_id))
+        self.cur.execute('INSERT INTO subscriptions (user_id, feed_id) VALUES (?, ?)', [user_id, feed_id])
         self.conn.commit()
 
     def unsubscribe_user(self, user_id: int, feed_id: int) -> None:
-        self.cur.execute('DELETE FROM subscribes WHERE feed_id = ? AND user_id = ?', (feed_id, user_id))
+        self.cur.execute('DELETE FROM subscriptions WHERE feed_id = ? AND user_id = ?', [feed_id, user_id])
         self.conn.commit()
 
     def delete_feed(self, feed_id: int) -> None:
-        self.cur.execute('DELETE FROM feeds WHERE id = ?', (feed_id,))
+        self.cur.execute('DELETE FROM feeds WHERE id = ?', [feed_id])
         self.conn.commit()
 
     def get_feeds(self) -> list:
         self.cur.execute('SELECT * FROM feeds')
         return self.cur.fetchall()
         
-    def get_users_subscribes(self, user_id: int) -> list:
-        self.cur.execute('SELECT * FROM feeds WHERE id IN (SELECT feed_id FROM subscribes WHERE user_id = ?)', (user_id,))
+    def get_user_feeds(self, user_id: int) -> list:
+        self.cur.execute('SELECT * FROM feeds WHERE id IN (SELECT feed_id FROM subscriptions WHERE user_id = ?)', [user_id])
         return self.cur.fetchall()
 
     def get_feed_items():