chore(middleware-flexible-checksums): supplemental docs link

Author: siddsriv

packages/middleware-flexible-checksums/src/middleware-md5-fallback.e2e.spec.ts

@@ -1,4 +1,4 @@
-// packages/middleware-flexible-checksums/src/middleware-md5-fallback.e2e.spec.ts
+// see supplemental-docs/MD5_FALLBACK for more details
 import {
   CreateBucketCommand,
   DeleteBucketCommand,

supplemental-docs/MD5_FALLBACK.md

@@ -32,7 +32,7 @@ export function createS3ClientWithMD5() {
   client.middlewareStack.add(
     (next, context) => async (args) => {
       // Check if this is a DeleteObjects command
-      const isDeleteObjects = context.commandName === "DeleteObjects";
+      const isDeleteObjects = context.commandName === "DeleteObjectsCommand";
 
       if (!isDeleteObjects) {
         return next(args);