Fix typo in sort.md (#4296)

packages/docs/src/en/plugins/sort.md

@@ -95,7 +95,7 @@ You can react to sorting changes by passing a handler function to `x-sort` and a
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-The `x-sort` handler will be called every time the sort order of the items change. The `$item` magic will contain the key of the sorted element (derived from `x-sort:item`), and `$position` will contain the new position of the item (staring at index `0`).
+The `x-sort` handler will be called every time the sort order of the items change. The `$item` magic will contain the key of the sorted element (derived from `x-sort:item`), and `$position` will contain the new position of the item (starting at index `0`).
 
 You can also pass a handler function to `x-sort` and that function will receive the `item` and `position` as the first and second parameter: