removed reference to VCL version
diff --git a/mysql/update-vcl.sql b/mysql/update-vcl.sql
index 4549fdc..1db3fbc 100644
--- a/mysql/update-vcl.sql
+++ b/mysql/update-vcl.sql
@@ -15,7 +15,7 @@
   limitations under the License.
 */
 
--- Apache VCL version 2.1 to 2.2.1 database schema changes
+-- Apache VCL database upgrade script
 
 -- --------------------------------------------------------