Provide more information about where/how the Minimum-Java-Version is coming from the plugin's metadata

core/src/main/java/hudson/PluginWrapper.java

@@ -496,7 +496,11 @@ public class PluginWrapper implements Comparable<PluginWrapper>, ModelObject {
     }
 
     /**
-     * Returns the minimum Java version of this plugin.
+     * Returns the minimum Java version of this plugin, as specified in the plugin metadata.
+     * Generally coming from the <code>java.level</code> extracted as MANIFEST's metadata with
+     * <a href="https://github.com/jenkinsci/plugin-pom/pull/134">this addition on the plugins' parent pom</a>.
+     *
+     * @see <a href="https://github.com/jenkinsci/maven-hpi-plugin/pull/75">maven-hpi-plugin#PR-75</a>.
      *
      * @since TODO
      */