diff --git a/catch-all/06_bots_telegram/10_mareas_bot/bot/bot.py b/catch-all/06_bots_telegram/10_mareas_bot/bot/bot.py
index 6ba6b63..bcd2929 100644
--- a/catch-all/06_bots_telegram/10_mareas_bot/bot/bot.py
+++ b/catch-all/06_bots_telegram/10_mareas_bot/bot/bot.py
@@ -1,13 +1,23 @@
+"""
+Bot de Telegram para mostrar la tabla de mareas de tablademareas.com
+
+Comandos:
+- /start: Iniciar el bot
+- /reset: Borrar el historial
+- /help: Mostrar este mensaje de ayuda
+"""
+
+import aiohttp
+import json
 import logging
 import os
 import psycopg2
 import redis
-import json
+
+from bs4 import BeautifulSoup
+from dotenv import load_dotenv
 from telegram import InlineKeyboardButton, InlineKeyboardMarkup, Update
 from telegram.ext import ApplicationBuilder, CommandHandler, CallbackQueryHandler
-from dotenv import load_dotenv
-import aiohttp
-from bs4 import BeautifulSoup
 
 # Cargar variables de entorno
 load_dotenv()
@@ -20,20 +30,36 @@ logging.basicConfig(
 )
 
 # Excluir mensajes de nivel INFO de httpx
+
+
 class ExcludeInfoFilter(logging.Filter):
     def filter(self, record):
         return record.levelno != logging.INFO
 
+
 httpx_logger = logging.getLogger("httpx")
 httpx_logger.addFilter(ExcludeInfoFilter())
 
 # Helper: Quitar dominio de la URL para que el callback_data sea corto
+
+
 def shorten_url(url):
     domain = "https://tablademareas.com"
     if url.startswith(domain):
         return url[len(domain):]
     return url
 
+# Helper: Obtener el objeto chat, ya sea de update.message o de update.callback_query.message
+
+
+def get_chat(update: Update):
+    if update.message:
+        return update.message.chat
+    elif update.callback_query and update.callback_query.message:
+        return update.callback_query.message.chat
+    return None
+
+
 # Conexión a Redis
 try:
     REDIS_PASSWORD = os.getenv('REDIS_PASSWORD')
@@ -47,11 +73,14 @@ except Exception as e:
     r = None
 
 # Funciones de caché
+
+
 def cache_set(key, value, expire=3600):
     if r:
         r.set(key, json.dumps(value), ex=expire)
         logging.info(f"🗃️ Guardado en caché: {key}")
 
+
 def cache_get(key):
     if r:
         data = r.get(key)
@@ -61,8 +90,11 @@ def cache_get(key):
         logging.info(f"🚫 Cache MISS para {key}")
     return None
 
+
 # Conexión a PostgreSQL
 DATABASE_URL = os.getenv('DATABASE_URL')
+
+
 def get_db_connection():
     try:
         conn = psycopg2.connect(DATABASE_URL)
@@ -71,6 +103,7 @@ def get_db_connection():
         logging.error(f"❌ Error conectando a PostgreSQL: {e}")
         return None
 
+
 def init_db():
     conn = get_db_connection()
     if not conn:
@@ -98,12 +131,15 @@ def init_db():
             """)
     logging.info("✅ Base de datos inicializada correctamente.")
 
+
 # Obtener token de Telegram
 TELEGRAM_TOKEN = os.getenv('TELEGRAM_BOT_TOKEN')
 
 # Función para obtener datos de la web con caché
+
+
 async def fetch(url):
-    url = url.split("#")[0]
+    url = url.split("#")[0]  # eliminar fragmentos
     cached_data = cache_get(url)
     if cached_data:
         return cached_data
@@ -119,6 +155,8 @@ async def fetch(url):
             return None
 
 # Función para registrar eventos
+
+
 def log_user_event(telegram_id, event_type, event_data):
     conn = get_db_connection()
     if not conn:
@@ -132,6 +170,8 @@ def log_user_event(telegram_id, event_type, event_data):
     logging.info(f"📝 Evento registrado: {event_type} - {event_data}")
 
 # Comando /start
+
+
 async def start(update: Update, context):
     user = update.message.from_user
     conn = get_db_connection()
@@ -149,6 +189,8 @@ async def start(update: Update, context):
     await show_continents(update)
 
 # Comando /reset
+
+
 async def reset(update: Update, context):
     user = update.message.from_user
     conn = get_db_connection()
@@ -162,23 +204,42 @@ async def reset(update: Update, context):
     log_user_event(user.id, "reset_command", {})
     await update.message.reply_text("Tu historial ha sido borrado.")
 
-# Función para obtener continentes
+# Comando /help
+
+
+async def help_command(update: Update, context):
+    await update.message.reply_text(
+        "Opciones:\n- /start: Iniciar el bot\n- /reset: Borrar el historial\n- /help: Mostrar este mensaje de ayuda"
+    )
+
+# Función para obtener continentes (nivel 0)
+
+
 async def show_continents(update: Update):
+    chat = get_chat(update)
     full_url = "https://tablademareas.com/"
     response_text = await fetch(full_url)
     if response_text is None:
-        await update.message.reply_text("Error al obtener los continentes.")
+        if update.message:
+            await update.message.reply_text("Error al obtener los continentes.")
+        else:
+            await update.callback_query.edit_message_text("Error al obtener los continentes.")
         return
     soup = BeautifulSoup(response_text, 'html.parser')
     continentes = soup.select('div#sitios_continentes a')
-
     keyboard = [[InlineKeyboardButton(c.text.strip(), callback_data=f"continent:{shorten_url(c['href'])}")]
                 for c in continentes]
-    logging.info(f"🌍 Mostrando continentes a {update.message.chat.username}({update.message.chat.id})")
-    log_user_event(update.message.chat.id, "show_continents", {})
-    await update.message.reply_text('Selecciona un continente:', reply_markup=InlineKeyboardMarkup(keyboard))
+    logging.info(f"🌍 Mostrando continentes a {chat.username}({chat.id})")
+    log_user_event(chat.id, "show_continents", {})
+
+    if update.message:
+        await update.message.reply_text('Selecciona un continente:', reply_markup=InlineKeyboardMarkup(keyboard))
+    else:
+        await update.callback_query.edit_message_text('Selecciona un continente:', reply_markup=InlineKeyboardMarkup(keyboard))
 
 # Callback para continente: mostrar países
+
+
 async def continent_callback(update: Update, context):
     query = update.callback_query
     await query.answer()
@@ -190,13 +251,20 @@ async def continent_callback(update: Update, context):
         return
     soup = BeautifulSoup(response_text, 'html.parser')
     paises = soup.select('a.sitio_reciente_a')
-    keyboard = [[InlineKeyboardButton(p.text.strip(), callback_data=f"country:{shorten_url(p['href'])}")]
-                for p in paises]
-    logging.info(f"🌎 {query.from_user.username} ({query.from_user.id}) seleccionó un continente")
+    buttons = sorted(
+        [InlineKeyboardButton(p.text.strip(
+        ), callback_data=f"country:{shorten_url(p['href'])}") for p in paises],
+        key=lambda btn: btn.text.lower()
+    )
+    keyboard = [[btn] for btn in buttons]
+    logging.info(
+        f"🌎 {query.from_user.username} ({query.from_user.id}) seleccionó un continente")
     log_user_event(query.from_user.id, "continent_selected", {"url": full_url})
     await query.edit_message_text('Selecciona un país:', reply_markup=InlineKeyboardMarkup(keyboard))
 
-# Callback para país: mostrar provincias y corregir mensaje
+# Callback para país: mostrar provincias
+
+
 async def country_callback(update: Update, context):
     query = update.callback_query
     await query.answer()
@@ -208,13 +276,20 @@ async def country_callback(update: Update, context):
         return
     soup = BeautifulSoup(response_text, 'html.parser')
     provincias = soup.select('a.sitio_reciente_a')
-    keyboard = [[InlineKeyboardButton(p.text.strip(), callback_data=f"province:{shorten_url(p['href'])}")]
-                for p in provincias]
-    logging.info(f"🚢 {query.from_user.username} ({query.from_user.id}) seleccionó un país")
+    buttons = sorted(
+        [InlineKeyboardButton(p.text.strip(
+        ), callback_data=f"province:{shorten_url(p['href'])}") for p in provincias],
+        key=lambda btn: btn.text.lower()
+    )
+    keyboard = [[btn] for btn in buttons]
+    logging.info(
+        f"🚢 {query.from_user.username} ({query.from_user.id}) seleccionó un país")
     log_user_event(query.from_user.id, "country_selected", {"url": full_url})
     await query.edit_message_text('Selecciona una provincia:', reply_markup=InlineKeyboardMarkup(keyboard))
 
 # Callback para provincia: mostrar puertos
+
+
 async def province_callback(update: Update, context):
     query = update.callback_query
     await query.answer()
@@ -229,33 +304,61 @@ async def province_callback(update: Update, context):
     if not puertos:
         await query.edit_message_text("No se encontraron puertos en la página.")
         return
-    keyboard = [[InlineKeyboardButton(p.text.strip(), callback_data=f"port:{shorten_url(p['href'])}")]
-                for p in puertos]
-    logging.info(f"⚓ {query.from_user.username} ({query.from_user.id}) seleccionó una provincia")
+    buttons = []
+    for p in puertos:
+        href = p.get('href')
+        if not href:
+            continue
+        station_container = p.find("div", class_="sitio_estacion")
+        port_name = None
+        if station_container:
+            first_div = station_container.find("div", recursive=False)
+            if first_div:
+                port_name = first_div.get_text(strip=True)
+        if not port_name:
+            port_name = p.text.strip()
+        buttons.append(InlineKeyboardButton(
+            port_name, callback_data=f"port:{shorten_url(href)}"))
+    buttons = sorted(buttons, key=lambda btn: btn.text.lower())
+    keyboard = [[btn] for btn in buttons]
+    logging.info(
+        f"⚓ {query.from_user.username} ({query.from_user.id}) seleccionó una provincia")
     log_user_event(query.from_user.id, "province_selected", {"url": full_url})
     await query.edit_message_text('Selecciona un puerto:', reply_markup=InlineKeyboardMarkup(keyboard))
 
-# Callback para puerto: acción final (mostrar enlace)
+# Callback para puerto: acción final
+
+
 async def port_callback(update: Update, context):
     query = update.callback_query
     await query.answer()
     short_url = query.data.split(":", 1)[1]
     full_url = "https://tablademareas.com" + short_url
-    logging.info(f"🚩 {query.from_user.username} ({query.from_user.id}) seleccionó un puerto")
+    logging.info(
+        f"🚩 {query.from_user.username} ({query.from_user.id}) seleccionó un puerto")
     log_user_event(query.from_user.id, "port_selected", {"url": full_url})
     await query.edit_message_text(f"Enlace del puerto: {full_url}")
 
+# Función principal para iniciar el bot
+
+
 def main():
     app = ApplicationBuilder().token(TELEGRAM_TOKEN).build()
     app.add_handler(CommandHandler("start", start))
     app.add_handler(CommandHandler("reset", reset))
-    app.add_handler(CallbackQueryHandler(continent_callback, pattern='^continent:'))
-    app.add_handler(CallbackQueryHandler(country_callback, pattern='^country:'))
-    app.add_handler(CallbackQueryHandler(province_callback, pattern='^province:'))
+    app.add_handler(CommandHandler("help", help_command))
+    app.add_handler(CallbackQueryHandler(
+        continent_callback, pattern='^continent:'))
+    app.add_handler(CallbackQueryHandler(
+        country_callback, pattern='^country:'))
+    app.add_handler(CallbackQueryHandler(
+        province_callback, pattern='^province:'))
     app.add_handler(CallbackQueryHandler(port_callback, pattern='^port:'))
     logging.info("🤖 Iniciando el bot...")
     init_db()
     app.run_polling()
 
+
+# Ejecutar la función principal si el script se ejecuta directamente
 if __name__ == "__main__":
     main()
diff --git a/catch-all/06_bots_telegram/10_mareas_bot/requirements.txt b/catch-all/06_bots_telegram/10_mareas_bot/requirements.txt
index 36f3151..ffe4393 100644
--- a/catch-all/06_bots_telegram/10_mareas_bot/requirements.txt
+++ b/catch-all/06_bots_telegram/10_mareas_bot/requirements.txt
@@ -1,7 +1,7 @@
-aiohttp==3.10.9
-beautifulsoup4==4.12.3
+aiohttp==3.11.12
+beautifulsoup4==4.13.3
 psycopg2-binary==2.9.10
 python-dotenv==1.0.1
-python-telegram-bot>=20.0
+python-telegram-bot>=21.10
 redis==5.2.1
-requests==2.31.0
\ No newline at end of file
+requests==2.32.3
\ No newline at end of file