A small hint on how to specify the database URL should be helpful to users

Change-Id: I7a84951b571b8c0a583907283f3b69fab1b5984b
Reviewed-on: https://gerrit.libreoffice.org/15978Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

dbaccess/source/ui/dlg/AutoControls.src

@@ -61,7 +61,7 @@ String STR_NO_ADDITIONAL_SETTINGS
 
 String STR_COMMONURL
 {
-    Text [ en-US ] = "Datasource URL" ;
+    Text [ en-US ] = "Datasource URL (e.g. postgresql://host:port/database)" ;
 };
 
 String STR_HOSTNAME