Minor comment in POM
<artifactId>vertx-web-graphql</artifactId>
<properties>
+ <!--
+ Update these properties in the vertx-lang-* modules too
+ -->
<graphql.java.major.version>12</graphql.java.major.version>
<graphql.java.version>${graphql.java.major.version}.0</graphql.java.version>
<doc.skip>false</doc.skip>
