diff --git a/docker/README.md b/docker/README.md
index a3edf3c..aec202a 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -1,7 +1,7 @@
 # Use the prebuilt image
 ```
 # build image
-docker build -t tkdnn:build -f Dockerfile-f Dockerfile . 
+docker build -t tkdnn:build -f Dockerfile . 
 ```
 
 # Build Base Docker image