diff --git a/libs/core/langchain_core/runnables/base.py b/libs/core/langchain_core/runnables/base.py
index 5e8c65f8972..29a7d8ed731 100644
--- a/libs/core/langchain_core/runnables/base.py
+++ b/libs/core/langchain_core/runnables/base.py
@@ -2587,6 +2587,10 @@ class RunnableSerializable(Serializable, Runnable[Input, Output]):
     """Runnable that can be serialized to JSON."""
 
     name: str | None = None
+    """The name of the `Runnable`.
+
+    Used for debugging and tracing.
+    """
 
     model_config = ConfigDict(
         # Suppress warnings from pydantic protected namespaces