Fix link to kernels directory
@@ -5,7 +5,7 @@ The `moby` tool converts the yaml specification into one or more bootable images
A kernel image is a Docker image with a `bzImage` file for the kernel to be executed,
and a tarball `kernel.tar` containing any modules. This is somewhat inconsistent with
the other images (see below) and may be changed. The kernel build is in the
-[`kernel/`](kernel/) directory.
+[`kernel/`](../kernel/) directory.
For all other images, ie `init` and the system containers and daemons, the filesystem
of the container is extracted. The `init` and `kernel` filesystems are left unchanged,
