diff --git a/telethon_generator/data/errors.csv b/telethon_generator/data/errors.csv
index f4f54082..c44f3412 100644
--- a/telethon_generator/data/errors.csv
+++ b/telethon_generator/data/errors.csv
@@ -271,7 +271,7 @@ START_PARAM_EMPTY,400,The start parameter is empty
 START_PARAM_INVALID,400,Start parameter invalid
 STATS_MIGRATE_X,303,The channel statistics must be fetched from DC {dc}
 STICKERSET_INVALID,400,The provided sticker set is invalid
-STICKERSET_OWNER_ANONYMOUS,406,This sticker set can't be used as the group's official stickers because it was created by one of its anonymous admins.
+STICKERSET_OWNER_ANONYMOUS,406,This sticker set can't be used as the group's official stickers because it was created by one of its anonymous admins
 STICKERS_EMPTY,400,No sticker provided
 STICKER_DOCUMENT_INVALID,400,"The sticker file was invalid (this file has failed Telegram internal checks, make sure to use the correct format and comply with https://core.telegram.org/animated_stickers)"
 STICKER_EMOJI_INVALID,400,Sticker emoji invalid