diff --git a/README.md b/README.md
index 6a84b03..866f6a7 100644
--- a/README.md
+++ b/README.md
@@ -144,7 +144,7 @@ CMD ["start.sh"]
 
 ```bash
 $ cd ~/MSA_miniProject
-$ mdir docker
+$ mkdir docker
 $ mkdir kubernetes
 $ touch docker/build.sh
 $ touch docker/push.sh
@@ -2132,4 +2132,4 @@ J.Ho Moon, <mincloud1501@naver.com>
 
 ## Copyright and License
 
-(c) Copyright 1997~2019 by SKB Co. LTD
\ No newline at end of file
+(c) Copyright 1997~2019 by SKB Co. LTD