Index: /trunk/grails-app/conf/DataSource.groovy
===================================================================
--- /trunk/grails-app/conf/DataSource.groovy	(revision 173)
+++ /trunk/grails-app/conf/DataSource.groovy	(revision 174)
@@ -9,8 +9,11 @@
 }
 
-// Environment specific settings.
-// create-drop: Drop and re-create the database between sessions. Deletes existing data.
+// dbCreate options.
+// create-drop: Drop and re-create the database tables on restart. Deletes existing data.
 // create:       Create the database if it doesn't exist, but don't modify it if it does. Deletes existing data.
 // update:     Create the database if it doesn't exist, and modify it if it does exist. Keep data.
+// If nothing specified then do nothing to database schema.
+
+// Environment specific settings.
 environments {
     development {
