diff --git a/smack-im/src/main/java/org/jivesoftware/smack/roster/Roster.java b/smack-im/src/main/java/org/jivesoftware/smack/roster/Roster.java
index 23b81cdb1..8f6a7c4cb 100644
--- a/smack-im/src/main/java/org/jivesoftware/smack/roster/Roster.java
+++ b/smack-im/src/main/java/org/jivesoftware/smack/roster/Roster.java
@@ -110,6 +110,7 @@ public final class Roster extends Manager {
      * {@link RosterListener}s will throw an IllegalStateException.
      * </p>
      * 
+     * @param connection the connection the roster should be retrieved for.
      * @return the user's roster.
      */
     public static synchronized Roster getInstanceFor(XMPPConnection connection) {