diff --git a/textarchive/vlib001.pl b/textarchive/vlib001.pl
index e4c0b44546e2dc7646ebc20b353edf7c5ef225ab..50fdcd7f41504806cbf4c34203256b29bed002c2 100755
--- a/textarchive/vlib001.pl
+++ b/textarchive/vlib001.pl
@@ -616,6 +616,12 @@ sub verify_toc_item
 
 __END__
 
+=head1 INSTALLATION
+
+=head2 Ubuntu
+
+  apt-get install libmongodb-perl libdigest-md5-file-perl
+
 =head1 TODO
 
 =head2 auto-check-mode