diff --git a/nixos/doc/manual/configuration/x-windows.xml b/nixos/doc/manual/configuration/x-windows.xml
index b33f6cf82b5..dd879702d7d 100644
--- a/nixos/doc/manual/configuration/x-windows.xml
+++ b/nixos/doc/manual/configuration/x-windows.xml
@@ -186,7 +186,7 @@
The driver has many options (see ). For
instance, the following disables tap-to-click behavior:
- = false;
+ = false;
Note: the use of services.xserver.synaptics is deprecated
since NixOS 17.09.