diff --git a/aiogram/types/__init__.py b/aiogram/types/__init__.py
index 6c44fae1..155debe0 100644
--- a/aiogram/types/__init__.py
+++ b/aiogram/types/__init__.py
@@ -260,7 +260,7 @@ __all__ = (
     "Game",
     "CallbackGame",
     "GameHighScore",
-    "ChatAction"
+    "ChatAction",
 )
 
 # Load typing forward refs for every TelegramObject
diff --git a/aiogram/types/chat_action.py b/aiogram/types/chat_action.py
index 440d9e0a..c431aefa 100644
--- a/aiogram/types/chat_action.py
+++ b/aiogram/types/chat_action.py
@@ -18,16 +18,16 @@ class ChatAction(str, enum.Enum):
     Source: https://core.telegram.org/bots/api#sendchataction
     """
 
-    TYPING: str = "typing"                          # typing
-    UPLOAD_PHOTO: str = "upload_photo"              # upload_photo
-    RECORD_VIDEO: str = "record_video"              # record_video
-    UPLOAD_VIDEO: str = "upload_video"              # upload_video
-    RECORD_AUDIO: str = "record_audio"              # record_audio
-    UPLOAD_AUDIO: str = "upload_audio"              # upload_audio
-    RECORD_VOICE: str = "record_voice"              # record_voice
-    UPLOAD_VOICE: str = "upload_voice"              # upload_voice
-    UPLOAD_DOCUMENT: str = "upload_document"        # upload_document
-    FIND_LOCATION: str = "find_location"            # find_location
-    RECORD_VIDEO_NOTE: str = "record_video_note"    # record_video_note
-    UPLOAD_VIDEO_NOTE: str = "upload_video_note"    # upload_video_note
-    CHOOSE_STICKER: str = "choose_sticker"          # choose_sticker
+    TYPING: str = "typing"
+    UPLOAD_PHOTO: str = "upload_photo"
+    RECORD_VIDEO: str = "record_video"
+    UPLOAD_VIDEO: str = "upload_video"
+    RECORD_AUDIO: str = "record_audio"
+    UPLOAD_AUDIO: str = "upload_audio"
+    RECORD_VOICE: str = "record_voice"
+    UPLOAD_VOICE: str = "upload_voice"
+    UPLOAD_DOCUMENT: str = "upload_document"
+    FIND_LOCATION: str = "find_location"
+    RECORD_VIDEO_NOTE: str = "record_video_note"
+    UPLOAD_VIDEO_NOTE: str = "upload_video_note"
+    CHOOSE_STICKER: str = "choose_sticker"