[mutter] core/window: Fix copy/paste error in size-changed docs

[Jonas Ådahl <jadahl src gnome org>]

commit 7738b5c00b0d38f3b1bfc87db130e349e9ba5ace
Author: Daniel van Vugt <daniel van vugt canonical com>
Date:   Tue May 7 17:42:13 2019 +0800

    core/window: Fix copy/paste error in size-changed docs
    
    It appears it was copied from MetaWindow::position-changed and pasted
    for MetaWindow::size-changed, without updating all the words.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/567

 src/core/window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index 5f76787f3..8219e6b35 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -692,7 +692,7 @@ meta_window_class_init (MetaWindowClass *klass)
    * MetaWindow::size-changed:
    * @window: a #MetaWindow
    *
-   * This is emitted when the position of a window might
+   * This is emitted when the size of a window might
    * have changed. Specifically, this is emitted when the
    * size of the toplevel window has changed, or when the
    * size of the client window has changed.