README.md: Fix mangled -A<arch> description

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/README.md b/README.md
index a3b30b5d49049e2094cf83b9183a99e3dc1e66b1..05486ef4041dcd60b5cfe87d35ddb4e920c2e0fd 100644 (file)
--- a/README.md
+++ b/README.md
@@ -184,13 +184,15 @@ Command-line options
 
   * `-A<arch>` | `--arch=<arch>` | `--target=<arch>`
 
-       Specify target architecture.  If <arch> starts with a
-       capital ascii letter, is an alias for some other arch
-       looked up in Cargo.nail and then in the builtin list:
-         RPI   arm-unknown-linux-gnueabihf
-       Translates to a --target= option to the ultimate command,
-       unless that is a cargo subcommand which would reject it.
-       --arch and --target are simply aliases.
+       Specify target architecture.  If `<arch>` starts with a capital
+       ascii letter, is an alias for some other arch: it is looked up
+       in the configuration, and then in the builtin arch alias list.
+       The builtin list is equivalent to: `[arch]`
+       `RPI='arm-unknown-linux-gnueabihf'`.
+
+       This option translates to a --target= option to the ultimate
+       command, unless that is a cargo subcommand which would reject
+       it.  `--arch` and `--target` are simply aliases.
 
   * `-u` | `--cargo-lock-update` | `-U` | `--no-cargo-lock-update`