Markdown improvements for hook_civicrm_batchItems

docs/hooks/hook_civicrm_batchItems.md

@@ -9,18 +9,16 @@ will be called three times regarding each batch.
 
 ## Definition
 
-    hook_civicrm_batchItems(&$results, &$items)
+```php
+hook_civicrm_batchItems(&$results, &$items)
+```
 
 ## Parameters
 
--   `$results` - the query result for the current batch that is being
-    processed
--   `$items` - the entries of financial items that will actually become
-    the records on the CSV (still per batch based)
+-   `$results` - the query result for the current batch that is being processed
+-   `$items` - the entries of financial items that will actually become the records on the CSV (still per batch based)
 
 ## Hints
 
--   This hook can be used together with `hook_civicrm_batchQuey` to add/
-    modify the information in CSV batch exports
--   You can loop through the two parameters to modify per financial
-    item. This can even be used to filter financial items.
+-   This hook can be used together with `hook_civicrm_batchQuey` to add/modify the information in CSV batch exports
+-   You can loop through the two parameters to modify per financial item. This can even be used to filter financial items.