diff --git a/smack-core/src/main/java/org/jivesoftware/smack/packet/Stanza.java b/smack-core/src/main/java/org/jivesoftware/smack/packet/Stanza.java
index 2422db010..bedcad481 100644
--- a/smack-core/src/main/java/org/jivesoftware/smack/packet/Stanza.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/packet/Stanza.java
@@ -352,6 +352,10 @@ public abstract class Stanza implements StanzaView, TopLevelStreamElement {
* Returns the first extension that matches the specified element name and
* namespace, or null
if it doesn't exist. Extensions are
* are arbitrary XML elements in standard XMPP stanzas.
+ *
+ * Note that it is recommended to use {@link #getExtension(Class)} instead of this method. + * The {@link #getExtension(Class)} is more robust, as it is type safe. + *
* * @param elementName the XML element name of the extension. * @param namespace the XML element namespace of the extension.