fix README

README.md

@@ -36,6 +36,22 @@ To run the demo, run the following commands:
 + Start Gradio Web Server: `python -m serve.gradio_web_server --controller http://localhost:10000 --model-list-mode reload --share`
 + Run interactive demo: `CUDA_VISIBLE_DEVICES=0 python -m interactive_demo  --port 40000  --model_dir <PATH TO MODEL CKPT>`
 
+When running the demo, the following parameters are adjustable:
++ Temperature
++ Max output tokens
+
+The default interaction mode is Chat, which is the main way to use our models. However, we also support a number of other 
+interaction modes for more specific use cases:
++ Captioning: Here, you can simply upload an image with no provided prompt and the selected model will output a caption. Even if a prompt
+is input by the user, it will not be used in producing the caption.
++ Bounding Box Prediction: After uploading an image, simply specify a portion of the image for which bounding box coordinates are desired
+in the prompt and the selected model will output corresponding coordinates.
++ Visual Question Answering: Selecting this option is best when the user wants short, succint answers to a specific question provided in the
+prompt.
++ True/False Question Answering: Selecting this option is best when the user wants a True/False answer to a specific question provided in the 
+prompt.
+
+
 ## Contributing
 
 Before committing to the repository, *make sure to set up your dev environment!*