Update docs

docs/sampling_params.md

@@ -121,6 +121,7 @@ Download an image
 curl -o example_image.png -L https://github.com/sgl-project/sglang/blob/main/test/lang/example_image.png?raw=true
 ```
 
+Send a request
 ```python
 import requests
 
@@ -139,4 +140,4 @@ print(response.json())
 ```
 
 The `image_data` can be a file name, a URL, or a base64 encoded string. See also `python/sglang/srt/utils.py:load_image`.
-Streaming is supported in a similar manner as [above](#streaming).
+Streaming is supported in a similar manner as [above](#streaming).