Update app.py

app.py

@@ -258,9 +258,9 @@ title_markdown = ("""
     </div>
 </div>
 
-**Notice**: The output is generated by top-k sampling scheme and may involve some randomness. For multiple images and video, we cannot ensure it's performance since only image-text / video-text pairs are used during training.
+**Notice**: The output is generated by top-k sampling scheme and may involve some randomness. For multiple images and video, we cannot ensure its performance since only image-text / video-text pairs are used during training.
 
-**We recommand only one image or video per conversation session.** If you want to start to chat with new images or videos, we recommand you to **CLEAR** the history to restart.
+**We recommend only one image or video per conversation session.** If you want to start chatting with new images or videos, we recommend you to **CLEAR** the history to restart.
 
 """)