diff --git a/docs/my-website/docs/exception_mapping.md b/docs/my-website/docs/exception_mapping.md
index c7283f80f..654e31463 100644
--- a/docs/my-website/docs/exception_mapping.md
+++ b/docs/my-website/docs/exception_mapping.md
@@ -34,12 +34,17 @@ To see how it's implemented - [check out the code](https://github.com/BerriAI/li
 
 **Note** For OpenAI and Azure we return the original exception (since they're of the OpenAI Error type). But we add the 'llm_provider' attribute to them. [See code](https://github.com/BerriAI/litellm/blob/a42c197e5a6de56ea576c73715e6c7c6b19fa249/litellm/utils.py#L1221)
 
+## custom mapping list
+
+Base case - we return the original exception.
+
 | LLM Provider | Initial Status Code / Initial Error Message | Returned Exception | Returned Status Code |
 |----------------------|------------------------|-----------------|-----------------|
 | Anthropic | 401 | AuthenticationError | 401 |
 | Anthropic | Could not resolve authentication method. Expected either api_key or auth_token to be set. | AuthenticationError | 401 |
 | Anthropic | 400 | InvalidRequestError | 400 | 
 | Anthropic | 429 | RateLimitError | 429 | 
+| OpenAI | This model's maximum context length is | ContextWindowExceededError | 400 | 
 | Replicate | Incorrect authentication token | AuthenticationError | 401 | 
 | Replicate | ModelError | InvalidRequestError | 400 |
 | Replicate | Request was throttled | RateLimitError | 429 |