diff --git a/nixos/doc/manual/installation/installing-virtualbox-guest.xml b/nixos/doc/manual/installation/installing-virtualbox-guest.xml
index 1cffeed48079..4957b700946e 100644
--- a/nixos/doc/manual/installation/installing-virtualbox-guest.xml
+++ b/nixos/doc/manual/installation/installing-virtualbox-guest.xml
@@ -83,7 +83,7 @@
VirtualBox settings (Machine / Settings / Shared Folders, then click on the
"Add" icon). Add the following to the
/etc/nixos/configuration.nix to auto-mount them. If you do
- not add "nofail", the system will no boot properly. The
+ not add "nofail", the system will not boot properly. The
same goes for disabling rngd which is normally used to get
randomness but this does not work in virtual machines.