diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/ServiceDiscoveryManager.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/ServiceDiscoveryManager.java
index e2413b100..06099413d 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/ServiceDiscoveryManager.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/ServiceDiscoveryManager.java
@@ -227,7 +227,7 @@ public final class ServiceDiscoveryManager extends Manager {
     /**
      * Returns the type of client that will be returned when asked for the client identity in a
      * disco request. The valid types are defined by the category client. Follow this link to learn
-     * the possible types: <a href="http://xmpp.org/registrar/disco-categories.html#client">Jabber::Registrar</a>.
+     * the possible types: <a href="https://xmpp.org/registrar/disco-categories.html">XMPP Registry for Service Discovery Identities</a>
      *
      * @return the type of client that will be returned when asked for the client identity in a
      *          disco request.
diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/packet/DiscoverInfo.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/packet/DiscoverInfo.java
index 2abda87fb..40cc92909 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/packet/DiscoverInfo.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/packet/DiscoverInfo.java
@@ -263,7 +263,7 @@ public class DiscoverInfo extends IQ implements TypedCloneable<DiscoverInfo> {
      * Represents the identity of a given XMPP entity. An entity may have many identities but all
      * the identities SHOULD have the same name.<p>
      *
-     * Refer to <a href="http://www.jabber.org/registrar/disco-categories.html">Jabber::Registrar</a>
+     * Refer to <a href="https://xmpp.org/registrar/disco-categories.html">XMPP Registry for Service Discovery Identities</a>
      * in order to get the official registry of values for the <i>category</i> and <i>type</i>
      * attributes.
      *
@@ -327,7 +327,7 @@ public class DiscoverInfo extends IQ implements TypedCloneable<DiscoverInfo> {
 
         /**
          * Returns the entity's category. To get the official registry of values for the
-         * 'category' attribute refer to <a href="http://www.jabber.org/registrar/disco-categories.html">Jabber::Registrar</a>
+         * 'category' attribute refer to <a href="https://xmpp.org/registrar/disco-categories.html">XMPP Registry for Service Discovery Identities</a>.
          *
          * @return the entity's category.
          */
@@ -346,7 +346,7 @@ public class DiscoverInfo extends IQ implements TypedCloneable<DiscoverInfo> {
 
         /**
          * Returns the entity's type. To get the official registry of values for the
-         * 'type' attribute refer to <a href="http://www.jabber.org/registrar/disco-categories.html">Jabber::Registrar</a>
+         * 'type' attribute refer to <a href="https://xmpp.org/registrar/disco-categories.html">XMPP Registry for Service Discovery Identities</a>.
          *
          * @return the entity's type.
          */