man: document new focus-animation config entry
diff --git a/man/weston.ini.man b/man/weston.ini.man
index bbb1d15..cc88ca8 100644
--- a/man/weston.ini.man
+++ b/man/weston.ini.man
@@ -188,6 +188,12 @@
.B none.
By default, the fade animation is used.
.TP 7
+.BI "focus-animation=" dim-layer
+sets the effect used with the focused and unfocused windows. Can be
+.B dim-layer,
+.B none.
+By default, no animation is used.
+.TP 7
.BI "binding-modifier=" ctrl
sets the modifier key used for common bindings (string), such as moving
surfaces, resizing, rotating, switching, closing and setting the transparency