Set doclint=none to make safe for java11
diff --git a/jena-core/pom.xml b/jena-core/pom.xml
index 6457b43..006323e 100644
--- a/jena-core/pom.xml
+++ b/jena-core/pom.xml
@@ -180,7 +180,9 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
         <configuration>
-          <doclint>syntax</doclint>
+          <!-- OK for Java17 (compiling to Java11); not OK for Java11
+               <doclint>syntax</doclint>
+          -->
           <author>true</author>
           <version>true</version>
           <show>public</show>
diff --git a/jena-iri/pom.xml b/jena-iri/pom.xml
index c039c1f..eadc739 100644
--- a/jena-iri/pom.xml
+++ b/jena-iri/pom.xml
@@ -111,7 +111,9 @@
           </execution>
         </executions>
         <configuration>
-          <doclint>syntax</doclint>
+          <!-- OK for Java17 (compiling to Java11); not OK for Java11
+               <doclint>syntax</doclint>
+          -->
           <version>true</version>
           <show>public</show>
           <quiet>true</quiet>