(Window Tree): Fix typo.

diff --git a/lispref/windows.texi b/lispref/windows.texi
index fe1d6212df0aabf3cfbb273a2809a697f3683409..dc780e7b828a4d99637c14b2bb7e09354dc7587a 100644 (file)
--- a/lispref/windows.texi
+++ b/lispref/windows.texi
@@ -2196,7 +2196,7 @@ root window, and @var{mini} is the frame's minibuffer window.
 
 If the root window is not split, @var{root} is the root window itself.
 Otherwise, @var{root} is a list @code{(@var{dir} @var{edges} @var{w1}
-@var{w2} ...)} where @var{dir} is @code{nil} for a horisontal split,
+@var{w2} ...)} where @var{dir} is @code{nil} for a horizontal split,
 and @code{t} for a vertical split, @var{edges} gives the combined size and
 position of the subwindows in the split, and the rest of the elements
 are the subwindows in the split.  Each of the subwindows may again be