Added long missing Migration documentation.
diff --git a/application/config/migration.php b/application/config/migration.php
index dba8700..afa2645 100644
--- a/application/config/migration.php
+++ b/application/config/migration.php
@@ -4,9 +4,8 @@
| Enable/Disable Migrations
|--------------------------------------------------------------------------
|
-| Migrations are disabled by default for security reasons.
-| You should enable migrations whenever you intend to do a schema migration
-| and disable it back when you're done.
+| Migrations are disabled by default but should be enabled
+| whenever you intend to do a schema migration.
|
*/
$config['migration_enabled'] = FALSE;