fix typo error

README.md

@@ -15,7 +15,7 @@ A prebuilt image can be found in `dist`, the image can be imported
 to docker and ready to use:
 
 ```sh
-wget https://github.com/lxsang/antosaio/raw/master/dist/antosaoi.tar
+wget https://github.com/lxsang/antosaio/raw/master/dist/antosaio.tar
 sudo docker load < antosaoi.tar
 ```
 

bake.sh

@@ -25,12 +25,12 @@ git clone --depth 1 https://github.com/lxsang/antos
 cd ../
 
 
-docker build -t antosaoi .
+docker build -t antosaio .
 
 if [ -d "download" ]; then
     rm -rf download
 fi
 
 mkdir -p dist
-docker save antosaoi > dist/antosaoi.tar
+docker save antosaio > dist/antosaio.tar
 # sudo docker run -p 8080:80 -it antosaoi /bin/sh