Update "mark" to "marks" in i3-save-tree. (#2308)

[i3/i3] / i3-save-tree

diff --git a/i3-save-tree b/i3-save-tree
index b00e1fe18330926dc638dcc879156e0eabe6eaf3..1e56a0452128ffbfd172c636426827ab9d728611 100755 (executable)
--- a/i3-save-tree
+++ b/i3-save-tree
@@ -98,7 +98,7 @@ my %allowed_keys = map { ($_, 1) } qw(
     name
     geometry
     window_properties
-    mark
+    marks
     rect
 );