diff --git a/src/oss/langchain/models.mdx b/src/oss/langchain/models.mdx
index ff5d633859..fabb163826 100644
--- a/src/oss/langchain/models.mdx
+++ b/src/oss/langchain/models.mdx
@@ -77,7 +77,7 @@ See @[`initChatModel`][initChatModel] for more detail, including information on
 A chat model takes parameters that can be used to configure its behavior. The full set of supported parameters varies by model and provider, but standard ones include:
 
 <ParamField body="model" type="string" required>
-    The name or identifier of the specific model you want to use with a provider.
+   The name or identifier of the specific model you want to use with a provider. You can also specify both the model and its provider in a single argument using the '{model_provider}:{model}' format, for example, 'openai:o1'.
 </ParamField>
 
 :::python