[docs] Acknowledge arm for new users
Change-Id: I9e4a36fb9de5a273cc8e6fda6bbd7c467f1462a4
diff --git a/docs/getting_started.md b/docs/getting_started.md
index 587bc4c..39fc27d 100644
--- a/docs/getting_started.md
+++ b/docs/getting_started.md
@@ -48,13 +48,20 @@
available as `scripts/fx`.
```sh
-fx set core.x64 --with //bundles:kitchen_sink
+fx set core.x64 --with //bundles:kitchen_sink/
+fx build
+```
+
+you can also build for arm
+
+```sh
+fx set core.arm64 --with //bundles:kitchen_sink/
fx build
```
The `fx set` command configures the contents of your build and generates
build rules and metadata in the default output directories, `out/default` and
-`out/default.zircon`. The argument `core.x64` refers to
+`out/default.zircon`. The argument `core.x64` / `core.arm64` refers to
[product and board definitions](/docs/concepts/build_system/boards_and_products.md) that
describe, among other things, what packages are built and available
to your Fuchsia device.
