diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 80a0c1c91..d875eb991 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -2341,7 +2341,8 @@ messageExtendedMediaUnsupported caption:formattedText = MessageExtendedMedia;
 //@additional_chat_ids Identifiers of other channel chats that must be subscribed by the users to be eligible for the giveaway. There can be up to getOption("giveaway_additional_chat_count_max") additional chats
 //@winners_selection_date Point in time (Unix timestamp) when the giveaway is expected to be performed; must be 60-getOption("giveaway_duration_max") seconds in the future in scheduled giveaways
 //@only_new_members True, if only new subscribers of the chats will be eligible for the giveaway
-//@country_codes The list of two-letter ISO 3166-1 alpha-2 codes of countries, only users from which will be eligible for the giveaway. If empty, then all users can participate in the giveaway. There can be up to getOption("giveaway_country_count_max") chosen countries
+//@country_codes The list of two-letter ISO 3166-1 alpha-2 codes of countries, users from which will be eligible for the giveaway. If empty, then all users can participate in the giveaway.
+//-There can be up to getOption("giveaway_country_count_max") chosen countries. Users with phone number that was bought on Fragment can participate in any giveaway and the country code "FT" must not be specified in the list
 premiumGiveawayParameters boosted_chat_id:int53 additional_chat_ids:vector<int53> winners_selection_date:int32 only_new_members:Bool country_codes:vector<string> = PremiumGiveawayParameters;