Make words more consistent and fix bug

mauigpapi/types/thread_item.py

@@ -223,7 +223,7 @@ class MediaShareItem(RegularMediaItem, SerializableAttrs['MediaShareItem']):
     like_count: int
     has_liked: bool
     photo_of_you: bool
-    caption: Caption
+    caption: Optional[Caption] = None
     can_viewer_save: bool
     location: Optional[Location] = None
 

mautrix_instagram/portal.py

@@ -354,7 +354,7 @@ class Portal(DBPortal, BasePortal):
         if share_item == item.media_share:
             prefix_text = f"Sent {share_item.user.username}'s photo"
         else:
-            prefix_text = f"Shared {share_item.user.username}'s story"
+            prefix_text = f"Sent {share_item.user.username}'s story"
         prefix = TextMessageEventContent(msgtype=MessageType.NOTICE, body=prefix_text)
         await self._send_message(intent, prefix)
         event_id = await self._handle_instagram_media(source, intent, item)