diff --git a/README.md b/README.md
index 4b5d3d8b..0aaadc4d 100644
--- a/README.md
+++ b/README.md
@@ -15,10 +15,10 @@ git clone https://gitea.olympuslab.net/afonso/core-extra.git
 cd core-extra
 
 # build image
-sudo docker build -t core .
+sudo docker build -t core-extra .
 
 # start container
-sudo docker run -itd --name core -e DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix:rw --privileged --restart unless-stopped core
+sudo docker run -itd --name core -e DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix:rw --privileged --restart unless-stopped core-extra
 
 # enable xhost access to the root user
 xhost +local:root