diff --git a/nixos/doc/manual/installation/installing-usb.xml b/nixos/doc/manual/installation/installing-usb.xml
index b97f989d902..31d51816e39 100644
--- a/nixos/doc/manual/installation/installing-usb.xml
+++ b/nixos/doc/manual/installation/installing-usb.xml
@@ -31,7 +31,7 @@ ISO, copy its contents verbatim to your drive, then either:
Edit loader/entries/nixos-livecd.conf on the drive
and change the root= field in the options
line to point to your drive (see the documentation on root=
- in
+ in
the kernel documentation for more details).