diff --git a/README.md b/README.md
index 4fee10853f8a91c3c30ada01e9b1394168bd9b37..a645236dd73318a70a798d52c783cef50184d9ba 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 실전코딩2 실습
 
 
-## My Printf HW
+## My Printf HW_2020_08_03
 
 use fprintf with stderr stdout stdin & Redirection