Fix typo in `_grid.scss` (#39387)

diff --git a/scss/mixins/_grid.scss b/scss/mixins/_grid.scss
index 99b1e7dea69d5d9db0c7effe572470f0a5374a03..ea30739943c78d2841109e84af1cd38a78e31fa1 100644 (file)
--- a/scss/mixins/_grid.scss
+++ b/scss/mixins/_grid.scss
@@ -138,7 +138,7 @@
           }
         }
 
-        // Start with `1` because `0` is and invalid value.
+        // Start with `1` because `0` is an invalid value.
         // Ends with `$columns - 1` because offsetting by the width of an entire row isn't possible.
         @for $i from 1 through ($columns - 1) {
           .g-start#{$infix}-#{$i} {