Clarify stacked-to-horizontal in layout/grid.md (#25520)

- Fixes typo with "with at" in "horizontal with at the small breakpoint"

diff --git a/docs/4.0/layout/grid.md b/docs/4.0/layout/grid.md
index 320872849f09a7cc128843f8d12bf63ee6849630..6a7a771bbc647335654208f326bb6f0119421062 100644 (file)
--- a/docs/4.0/layout/grid.md
+++ b/docs/4.0/layout/grid.md
@@ -272,7 +272,7 @@ For grids that are the same from the smallest of devices to the largest, use the
 
 ### Stacked to horizontal
 
-Using a single set of `.col-sm-*` classes, you can create a basic grid system that starts out stacked before becoming horizontal with at the small breakpoint (`sm`).
+Using a single set of `.col-sm-*` classes, you can create a basic grid system that starts out stacked and becomes horizontal at the small breakpoint (`sm`).
 
 <div class="bd-example-row">
 {% example html %}