diff --git a/sway/sway.5.txt b/sway/sway.5.txt
index 7de02a82..84e5e7c5 100644
--- a/sway/sway.5.txt
+++ b/sway/sway.5.txt
@@ -39,6 +39,9 @@ The following commands may only be used in the configuration file.
 **set** <name> <value>::
 	Sets variable $name to _value_. You can use the new variable in the arguments
 	of future commands.
+	
+**orientation** <horizontal|vertical|auto>::
+	Sets the default container layout for tiled containers.
 
 The following commands cannot be used directly in the configuration file.
 They are expected to be used with **bindsym** or at runtime through **swaymsg**(1).