diff --git a/libs/langchain-aws/src/chat_models.ts b/libs/langchain-aws/src/chat_models.ts
index ee0a4fcc6634..10e6f35d2afa 100644
--- a/libs/langchain-aws/src/chat_models.ts
+++ b/libs/langchain-aws/src/chat_models.ts
@@ -487,8 +487,8 @@ export interface ChatBedrockConverseCallOptions
  *   rating: z.number().optional().describe("How funny the joke is, from 1 to 10")
  * }).describe('Joke to tell user.');
  *
- * const structuredLlm = llm.withStructuredOutput(Joke);
- * const jokeResult = await structuredLlm.invoke("Tell me a joke about cats", { name: "Joke" });
+ * const structuredLlm = llm.withStructuredOutput(Joke, { name: "Joke" });
+ * const jokeResult = await structuredLlm.invoke("Tell me a joke about cats");
  * console.log(jokeResult);
  * ```
  *
diff --git a/libs/langchain-openai/src/azure/chat_models.ts b/libs/langchain-openai/src/azure/chat_models.ts
index 21ce1ebe4c81..e9a460e0f9f6 100644
--- a/libs/langchain-openai/src/azure/chat_models.ts
+++ b/libs/langchain-openai/src/azure/chat_models.ts
@@ -267,8 +267,8 @@ import {
  *   rating: z.number().optional().describe("How funny the joke is, from 1 to 10")
  * }).describe('Joke to tell user.');
  *
- * const structuredLlm = llm.withStructuredOutput(Joke);
- * const jokeResult = await structuredLlm.invoke("Tell me a joke about cats", { name: "Joke" });
+ * const structuredLlm = llm.withStructuredOutput(Joke, { name: "Joke" });
+ * const jokeResult = await structuredLlm.invoke("Tell me a joke about cats");
  * console.log(jokeResult);
  * ```
  *
diff --git a/libs/langchain-openai/src/chat_models.ts b/libs/langchain-openai/src/chat_models.ts
index 22113d5235ab..381f05aaef77 100644
--- a/libs/langchain-openai/src/chat_models.ts
+++ b/libs/langchain-openai/src/chat_models.ts
@@ -629,8 +629,8 @@ export interface ChatOpenAIFields
  *   rating: z.number().optional().describe("How funny the joke is, from 1 to 10")
  * }).describe('Joke to tell user.');
  *
- * const structuredLlm = llm.withStructuredOutput(Joke);
- * const jokeResult = await structuredLlm.invoke("Tell me a joke about cats", { name: "Joke" });
+ * const structuredLlm = llm.withStructuredOutput(Joke, { name: "Joke" });
+ * const jokeResult = await structuredLlm.invoke("Tell me a joke about cats");
  * console.log(jokeResult);
  * ```
  *