diff --git a/Code/R01/README.md b/Code/R01/README.md
index 9251413..1b92b19 100644
--- a/Code/R01/README.md
+++ b/Code/R01/README.md
@@ -15,6 +15,6 @@ devterm R01
 readme
 ```
 
-`tar cpjfv d1\_twm.tar.bz2 -C /home/cpi`  
+`tar xpjfv d1\_twm.tar.bz2 -C /home/cpi`