more fixes

diff --git a/README.adoc b/README.adoc
index ee9e1c0dd49f9d0cb014d89197c6737f62ca9261..c8b82551a7ee50443c4d66cfa9c0e00fa57d56f4 100644 (file)
--- a/README.adoc
+++ b/README.adoc
@@ -26,7 +26,7 @@ Note that all building and test running is done as non-root user.
 
 There are a number of start scripts, in `build-$arch` format, for
 building installer pairs of kernel and initrd.gz towards different
-archivetctures. For that to work you probably will need to
+architectures. For that to work you probably will need to
 
     # apt-get install binfmt-support qemu-user-static
 
@@ -50,13 +50,16 @@ the `virt` machine type and the `cortex-53` cpu for arm64.
 
 == Running build-installer.sh
 
-The script `./build-installer.sh` is run by a non-root user on the
-command line. It prepares three `build` subdirectories:
+In more detail, the common and actual build script,
+`./build-installer.sh`, is invoked via the architecture setup files.
+It prepares three `$TARGET_ARCH/build/` sub directories:
 
 1. `$TARGET_ARCH/build/sources` contains the Packages files for the
    sources, which are the `main`, `non-free-firmware` and
    `main/debian-installer` components of the Devuan `$DISTNAME`
-   repository.
+   repository. These files are obtained from
+   `http://deb.devuan.org/merged` using `wget`, then unpacked and
+   stored in the `.../sources/` sub duirectory.
 
 2. `$TARGET_ARCH/build/media` is a media filesystem with a repository
    pool of slightly bespoke structure. It includes in particular