diff --git a/litellm/proxy/_types.py b/litellm/proxy/_types.py
index 1092a27d63..8d9eb636d3 100644
--- a/litellm/proxy/_types.py
+++ b/litellm/proxy/_types.py
@@ -1667,6 +1667,10 @@ class ProxyException(Exception):
         self.message = message
         self.type = type
         self.param = param
+
+        # If we look on official python OpenAI lib, the code should be a string:
+        # https://github.com/openai/openai-python/blob/195c05a64d39c87b2dfdf1eca2d339597f1fce03/src/openai/types/shared/error_object.py#L11
+        # Related LiteLLM issue: https://github.com/BerriAI/litellm/discussions/4834
         self.code = str(code)
         if headers is not None:
             for k, v in headers.items():
diff --git a/litellm/tests/test_proxy_exception_mapping.py b/litellm/tests/test_proxy_exception_mapping.py
index d5db6f6ab0..a774d1b0ef 100644
--- a/litellm/tests/test_proxy_exception_mapping.py
+++ b/litellm/tests/test_proxy_exception_mapping.py
@@ -81,6 +81,9 @@ def test_chat_completion_exception(client):
 
         code_in_error = json_response["error"]["code"]
         # OpenAI SDK required code to be STR, https://github.com/BerriAI/litellm/issues/4970
+        # If we look on official python OpenAI lib, the code should be a string:
+        # https://github.com/openai/openai-python/blob/195c05a64d39c87b2dfdf1eca2d339597f1fce03/src/openai/types/shared/error_object.py#L11
+        # Related LiteLLM issue: https://github.com/BerriAI/litellm/discussions/4834
         assert type(code_in_error) == str
 
         # make an openai client to call _make_status_error_from_response