readme fix and gitignore fix

.gitignore

@@ -1,14 +1,14 @@
-*/cache
-*/.build/
-*/binary.modified_timestamps
-*/binary/
-*/chroot.files
-*/chroot.packages.install
-*/chroot.packages.live
-*/chroot/
-*/live-image-amd64.contents
-*/live-image-amd64.files
-*/live-image-amd64.hybrid.iso
-*/live-image-amd64.hybrid.iso.zsync
-*/live-image-amd64.packages
+/*/cache
+/*/.build/
+/*/binary.modified_timestamps
+/*/binary/
+/*/chroot.files
+/*/chroot.packages.install
+/*/chroot.packages.live
+/*/chroot/
+/*/live-image-amd64.contents
+/*/live-image-amd64.files
+/*/live-image-amd64.hybrid.iso
+/*/live-image-amd64.hybrid.iso.zsync
+/*/live-image-amd64.packages
 

README.md

@@ -24,7 +24,7 @@ $ docker run --privileged --cap-add=ALL -v /proc:/proc -v /sys:/sys -v $PWD/amd6
 If you don't want to run docker, you can run the same commands that get passed to the shell (as root, or with sudo):
 
 ```
-# apt-get update && apt-get install -y live-build && mkdir .build && touch .build/config && lb build
+# apt-get update && apt-get install -y live-build && cd amd64 && mkdir .build && touch .build/config && lb build
 ```
 
 ### Packages