Improve Readme file from BBB plugin - refs #8390

plugin/bbb/README.md

@@ -4,15 +4,24 @@ This plugin allows you to have videoconference rooms in each course.
 It requires you to have a BigBlueButton videoconference server installed on another server (ideally).
 Check www.bigbluebutton.org for more about BigBlueButton.
 
-## Migrating from Chamilo LMS 1.9.x to 1.10.x
+## Migrating to Chamilo LMS 1.10.x
 For Chamilo 1.10.x, the Videoconference plugin has two new settings options: *Enable global conference* and *Enable conference in course groups*.
 
 ##### Database changes
-You need execute this SQL query en your database after making the migration process from 1.9.x.
+You need execute these SQL queries in your database after making the migration process from 1.9.x.
 
 ```sql
 ALTER TABLE plugin_bbb_meeting ADD voice_bridge int NOT NULL DEFAULT 1;
 ALTER TABLE plugin_bbb_meeting ADD group_id int unsigned NOT NULL DEFAULT 0;
+```
+## Migrating to Chamilo LMS 1.11.x
+For Chamilo 1.11.x, Videoconference plugin has two new settings options: 
+
+##### Database changes
+You need execute this SQL query in your database after making the Chamilo migration process from 1.10.x.
+> If you are migrating from 1.9.x versions, you need execute the SQL queries from the migration to 1.10.x before.
+
+```sql
 ALTER TABLE plugin_bbb_meeting ADD user_id int unsigned NOT NULL DEFAULT 0;
 ALTER TABLE plugin_bbb_meeting ADD access_url int NOT NULL DEFAULT 1;
 ```