fix: comment middleware

Author: Chase Coalwell

packages/middleware-location-constraint/src/index.ts

@@ -9,6 +9,12 @@ import {
 } from "@aws-sdk/types";
 import { LocationConstraintResolvedConfig } from "./configuration";
 
+/**
+ * This middleware modifies the input on S3 CreateBucket requests.  If the LocationConstraint has not been set, this
+ * middleware will set a LocationConstraint to match the configured region.  The CreateBucketConfiguration will be
+ * removed entirely on requests to the us-east-1 region.
+ */
+
 export function locationConstraintMiddleware(
   options: LocationConstraintResolvedConfig
 ): InitializeMiddleware<any, any> {