Updated readme

Change-Id: I247027762c3a29c994be3bcabeab474689bb99aa
diff --git a/Readme.pod b/Readme.pod
index 6366c81..c38522e 100644
--- a/Readme.pod
+++ b/Readme.pod
@@ -52,6 +52,16 @@
 
 Extracts KorAP-XML documents from a zip file.
 
+=item B<serial>
+
+  $ korapxml2krill serial -i <archive1> -i <archive2> -o <directory> -cfg <config-file>
+
+Convert archives sequentially. The inputs are not merged but treated
+as they are (so they may be premerged or globs).
+the C<--out> directory is treated as the base directory where subdirectories
+are created based on the archive name.
+
+
 =back
 
 
@@ -93,6 +103,11 @@
 B<The root folder switch using the hash sign is experimental and
 may vanish in future versions.>
 
+=item B<--input-base|-ib> <directory>
+
+The base directory for inputs.
+
+
 =item B<--output|-o> <directory|file>
 
 Output folder for archive processing or
@@ -213,7 +228,7 @@
   ...
 
 Supported parameters are:
-C<overwrite>, C<gzip>, C<jobs>,
+C<overwrite>, C<gzip>, C<jobs>, C<input-base>,
 C<token>, C<log>, C<cache>, C<cache-size>, C<cache-delete>, C<meta>,
 C<output>, C<base-sentences>, C<temp-extract>, C<base-paragraphs>,
 C<base-pagebreaks>, C<skip> (semicolon separated), C<sigle>