diff --git a/Examples/Program_ListenUpdates.cs b/Examples/Program_ListenUpdates.cs
index c5d5a74..857a24a 100644
--- a/Examples/Program_ListenUpdates.cs
+++ b/Examples/Program_ListenUpdates.cs
@@ -30,10 +30,10 @@ namespace WTelegramClientTest
 		}
 
 
-		private static readonly Dictionary<int, UserBase> users = new();
-		private static readonly Dictionary<int, ChatBase> chats = new();
-		private static string AUser(int user_id) => users.TryGetValue(user_id, out var user) ? user.DisplayName : $"User {user_id}";
-		private static string AChat(int chat_id) => chats.TryGetValue(chat_id, out var chat) ? chat.Title : $"Chat {chat_id}";
+		private static readonly Dictionary<long, UserBase> users = new();
+		private static readonly Dictionary<long, ChatBase> chats = new();
+		private static string AUser(long user_id) => users.TryGetValue(user_id, out var user) ? user.DisplayName : $"User {user_id}";
+		private static string AChat(long chat_id) => chats.TryGetValue(chat_id, out var chat) ? chat.Title : $"Chat {chat_id}";
 		private static string APeer(Peer peer) => peer is null ? null : peer is PeerUser user ? AUser(user.user_id)
 			: peer is PeerChat chat ? AChat(chat.chat_id) : peer is PeerChannel channel ? AChat(channel.channel_id) : $"Peer {peer.ID}";
 
diff --git a/README.md b/README.md
index f0a4c46..11dc289 100644
--- a/README.md
+++ b/README.md
@@ -90,7 +90,7 @@ foreach (var chat in chats)
             break;
     }
 Console.Write("Type a chat ID to send a message: ");
-var id = int.Parse(Console.ReadLine());
+long id = long.Parse(Console.ReadLine());
 var target = chats.First(chat => chat.ID == id);
 await client.SendMessageAsync(target, "Hello, World");
 ```