diff --git a/src/pages/[platform]/build-a-backend/functions/custom-functions/index.mdx b/src/pages/[platform]/build-a-backend/functions/custom-functions/index.mdx
index e5bf50312cc..e6c2a0d0d23 100644
--- a/src/pages/[platform]/build-a-backend/functions/custom-functions/index.mdx
+++ b/src/pages/[platform]/build-a-backend/functions/custom-functions/index.mdx
@@ -61,13 +61,13 @@ export const sayHelloFunctionHandler = defineFunction(
       timeout: Duration.seconds(20), //  default is 3 seconds
       code: Code.fromAsset(functionDir, {
         bundling: {
-          image: DockerImage.fromRegistry("dummy"),
+          image: DockerImage.fromRegistry("dummy"), // replace with desired image from AWS ECR Public Gallery
           local: {
             tryBundle(outputDir: string) {
               execSync(
                 `python3 -m pip install -r ${path.join(functionDir, "requirements.txt")} -t ${path.join(outputDir)} --platform manylinux2014_x86_64 --only-binary=:all:`
               );
-              execSync(`rsync -rLv ${functionDir}/* ${path.join(outputDir)}`);
+              execSync(`cp -r ${functionDir}/* ${path.join(outputDir)}`);
               return true;
             },
           },