diff --git a/doc/start/iso.md b/doc/start/iso.md
index 5a0ecf3a..efa515a0 100644
--- a/doc/start/iso.md
+++ b/doc/start/iso.md
@@ -12,13 +12,13 @@ This works for any file matching `hosts/*.nix` excluding `default.nix`.
 
 ## ISO image nix store & cache
 
-The iso image holds the store to the live environment and _also_ acts as a binay cache
+The iso image holds the store to the live environment and _also_ acts as a binary cache
 to the installer. To considerably speed up things, the image already includes all flake
 `inputs` as well as the `devshell` closures.
 
-While you _could_ provision any machine with a single stick, a bespoke iso maximises
-those local cache hits.
+While you _could_ provision any machine with a single stick, a custom-made iso for
+the host you want to install DevOS to, maximises those local cache hits.
 
-For hosts that don't differ too much, a common usb stick might be ok, whereas when
-there are bigger differences, a bespoke usb stick will be considerably faster.
+For hosts that don't differ too much, a single usb stick might be ok, whereas when
+there are bigger differences, a custom-made usb stick will be considerably faster.