Fix javadoc

Author: afs

jena-fuseki2/jena-fuseki-core/src/main/java/org/apache/jena/fuseki/servlets/prefixes/PrefixesRDF.java

@@ -42,9 +42,9 @@
  * prefixName and prefixURI attributes.
  *
  * <pre>
- * PREFIX prefixes: <http://jena.apache.org/prefixes#>
- * PREFIX rdf:      <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
- * PREFIX xsd:      <http://www.w3.org/2001/XMLSchema#>
+ * PREFIX prefixes: &lt;http://jena.apache.org/prefixes#&gt;
+ * PREFIX rdf:      &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns##&gt;
+ * PREFIX xsd:      &lt;http://www.w3.org/2001/XMLSchema##&gt;
  *
  * [] rdf:type prefixes:Prefix ;
  *    prefixes:prefixName  "test" ;

jena-ontapi/src/main/java/org/apache/jena/ontapi/utils/OntModels.java

@@ -386,7 +386,7 @@ public static OntConfig config(OntModel m) {
      * that the values in the stream consist of the shallowest fringe of named classes in the hierarchy.
      *
      * @param m {@link OntModel}
-     * @return a {@code Stream} of {@link OntClass.Named}
+     * @return a {@code Stream} of {@link org.apache.jena.ontapi.model.OntClass.Named}
      * @see OntModel#hierarchyRoots()
      */
     public static Stream<OntClass.Named> namedHierarchyRoots(OntModel m) {