updated README

Author: ihh

README.md

@@ -10,7 +10,7 @@ Run `twiki2mediawiki.pl` to convert a TWiki web to MediaWiki.
     - Optionally delete pages from database (e.g. to undo previous import) using [deleteBatch.php](https://www.mediawiki.org/wiki/Manual:DeleteBatch.php)
     - Optionally rename to Mediawiki-style links using [moveBatch.php](https://www.mediawiki.org/wiki/Manual:MoveBatch.php)
 - Optionally import attachments using [importImages.php](https://www.mediawiki.org/wiki/Manual:ImportImages.php)
-    - Optionally delete them first using [deleteBatch.php](https://www.mediawiki.org/wiki/Manual:DeleteBatch.php)
+    - Optionally delete old versions first using [deleteBatch.php](https://www.mediawiki.org/wiki/Manual:DeleteBatch.php)
     - Attachments from other pages & webs are automatically included
 - Optionally import all your InterWiki links (uses the bundled [addInterwiki.php](https://github.com/ihh/Twiki-to-Mediawiki/blob/master/addInterwiki.php) maintenance script)
 - Preserves timestamps (but not revision history) and usernames (but doesn't create users)