[gtk/4.0-backports: 10/53] docs: Update border-size docs

[Matthias Clasen <matthiasc src gnome org>]

commit c225959e0e3b1b31d4a82a7da0c5eeecb74db79f
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jan 26 10:40:22 2021 -0500

    docs: Update border-size docs
    
    GtkCenterLayout respected border-size as well.

 docs/reference/gtk/css-properties.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/docs/reference/gtk/css-properties.md b/docs/reference/gtk/css-properties.md
index 7e6fcdedaa..ee55d14bf6 100644
--- a/docs/reference/gtk/css-properties.md
+++ b/docs/reference/gtk/css-properties.md
@@ -235,4 +235,4 @@ done with
 |animation-delay| [CSS Animations Level 1](https://www.w3.org/TR/css3-animations/#animation-delay) | |
 |animation-fill-mode| [CSS Animations Level 1](https://www.w3.org/TR/css3-animations/#animation-fill-mode) | 
|
 |animation| [CSS Animations Level 1](https://www.w3.org/TR/css3-animations/#animation) | |
-|border-spacing| [CSS Table Level 3](https://www.w3.org/TR/css-tables-3/#border-spacing-property) | 
respected by GtkBox and GtkGrid |
+|border-spacing| [CSS Table Level 3](https://www.w3.org/TR/css-tables-3/#border-spacing-property) | 
respected by GtkBoxLayout, GtkGridLayout, GtkCenterLayout |