diff --git a/packages/aws-cdk-lib/aws-lambda-nodejs/lib/function.ts b/packages/aws-cdk-lib/aws-lambda-nodejs/lib/function.ts
index 6df32bf9dc31f..9dbc15420aee7 100644
--- a/packages/aws-cdk-lib/aws-lambda-nodejs/lib/function.ts
+++ b/packages/aws-cdk-lib/aws-lambda-nodejs/lib/function.ts
@@ -38,7 +38,7 @@ export interface NodejsFunctionProps extends lambda.FunctionOptions {
    * The runtime environment. Only runtimes of the Node.js family are
    * supported.
    *
-   * @default Runtime.NODEJS_18_X
+   * @default `Runtime.NODEJS_LATEST` if the `@aws-cdk/aws-lambda-nodejs:useLatestRuntimeVersion` feature flag is enabled, otherwise `Runtime.NODEJS_16_X`
    */
   readonly runtime?: lambda.Runtime;