diff --git a/README.md b/README.md
index 4d3d854ad452963b3db05af8dac59e20edd27cd1..ae7485281d46c0242845b22590600e6fe5acde5b 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,8 @@ python preprocess.py --task 01 --dim 2
 Exit the image.
 - For benchmarking purpose, we use 1000 copied of a single image 
 ```
-mv data data_orig
+mkdir data_orig
+cp -a data/* data_orig/
 bash copy_data_for_benchmark.sh
 ```
 - Run the script.