docs: Explain default behavior of drop_params (#17658)

Co-authored-by: Cursor Agent <[email protected]>
Co-authored-by: ishaan <[email protected]>

Author: 3 people

docs/my-website/docs/completion/drop_params.md

@@ -5,6 +5,14 @@ import TabItem from '@theme/TabItem';
 
 Drop unsupported OpenAI params by your LLM Provider.
 
+## Default Behavior
+
+**By default, LiteLLM raises an exception** if you send a parameter to a model that doesn't support it. 
+
+For example, if you send `temperature=0.2` to a model that doesn't support the `temperature` parameter, LiteLLM will raise an exception.
+
+**When `drop_params=True` is set**, LiteLLM will drop the unsupported parameter instead of raising an exception. This allows your code to work seamlessly across different providers without having to customize parameters for each one.
+
 ## Quick Start 
 
 ```python