COMMONSRDF-71: fixed rdf4j javadoc link, closes #45

* acoburn/COMMONSRDF-71:
  Updates location of RDF4J javadocs link

Signed-off-by: Sergio Fernández <wikier@apache.org>
diff --git a/pom.xml b/pom.xml
index 21bea86..a7483e3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -329,7 +329,7 @@
                     <link>${commons.javadoc.java.link}</link>
                     <link>https://jena.apache.org/documentation/javadoc/jena/</link>
                     <link>https://jena.apache.org/documentation/javadoc/arq/</link>
-                    <link>http://rdf4j.org/javadoc/2.0/</link>
+                    <link>http://docs.rdf4j.org/javadoc/2.2/</link>
                     </links>
                 </configuration>
             </plugin>