Minor format changes: hook_civicrm_batchItems.md

Made minor formatting changes to improve appearance of rendered file.

docs/hooks/hook_civicrm_batchItems.md

@@ -13,14 +13,14 @@ will be called three times regarding each batch.
 
 ## Parameters
 
--   $results - the query result for the current batch that is being
+-   `$results` - the query result for the current batch that is being
     processed
--   $items - the entries of financial items that will actually become
+-   `$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/
+-   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.
\ No newline at end of file
+    item. This can even be used to filter financial items.