Improved readme
Change-Id: I32151d45dfd743a9a4e3d6b50991b5f196041aa9
diff --git a/Readme.pod b/Readme.pod
index d4c3002..0c2272b 100644
--- a/Readme.pod
+++ b/Readme.pod
@@ -64,7 +64,9 @@
Directory or zip file(s) of documents to convert.
Without arguments, C<korapxml2krill> expects a folder of a single KorAP-XML
-document, while C<archive> and C<extract> support zip files as well.
+document, while C<archive> expects a KorAP-XML corpus folder or a zip
+file to batch process multiple files.
+C<extract> expects zip files only.
C<archive> supports multiple input zip files with the constraint,
that the first archive listed contains all primary data files