diff --git a/README b/README
index 453849cd..6eea994b 100644
--- a/README
+++ b/README
@@ -24,9 +24,9 @@ Features:
 
 - AD / LDAP authentication
 
-- IMAP authentication
+- IMAP, POP3 authentication
 
-- single sign-on
+- single sign-on (SSO)
 
 - Google Apps support
 
diff --git a/util/db-upgrade-1.1.0-vs-1.2.0.sql b/util/db-upgrade-1.1.0-vs-1.2.0.sql
index 6b731e84..9a77435d 100644
--- a/util/db-upgrade-1.1.0-vs-1.2.0.sql
+++ b/util/db-upgrade-1.1.0-vs-1.2.0.sql
@@ -3,9 +3,6 @@
 alter table archiving_rule add column `body` varchar(128) default null;
 alter table retention_rule add column `body` varchar(128) default null;
 
---drop index entry on archiving_rule;
---drop index entry on retention_rule;
-
 create unique index `entry` on archiving_rule (`domain`,`from`,`to`,`subject`,`body`,`_size`,`size`,`attachment_name`,`attachment_type`,`_attachment_size`,`attachment_size`,`spam`);
 create unique index `entry` on retention_rule (`domain`,`from`,`to`,`subject`,`body`,`_size`,`size`,`attachment_name`,`attachment_type`,`_attachment_size`,`attachment_size`,`spam`);