chore(docs): fix utils typo

Author: zhpenkov

packages/utils/scss/flex-grid/_grid-row-start-end.scss

@@ -342,7 +342,7 @@
 
 /// This is equivalent to `grid-row-start: auto; for the specific breakpoint`.
 /// @example grid-row-start: auto;
-/// @name .k-row-start-auto
+/// @name .k-row-start-{xs|sm|md|lg|xl|xxl}-auto
 /// @group grid-row-responsive
 /// @contextType css