diff --git a/libs/langchain/langchain/output_parsers/rail_parser.py b/libs/langchain/langchain/output_parsers/rail_parser.py
index 2f6c7b7f0..f0cabc13e 100644
--- a/libs/langchain/langchain/output_parsers/rail_parser.py
+++ b/libs/langchain/langchain/output_parsers/rail_parser.py
@@ -11,11 +11,11 @@ class GuardrailsOutputParser(BaseOutputParser):
     guard: Any
     """The Guardrails object."""
     api: Optional[Callable]
-    """The API to use for the Guardrails object."""
+    """The LLM API passed to Guardrails during parsing. An example is `openai.completions.create`."""  # noqa: E501
     args: Any
-    """The arguments to pass to the API."""
+    """Positional arguments to pass to the above LLM API callable."""
     kwargs: Any
-    """The keyword arguments to pass to the API."""
+    """Keyword arguments to pass to the above LLM API callable."""
 
     @property
     def _type(self) -> str: