diff --git a/res/res_pjsip_pubsub.c b/res/res_pjsip_pubsub.c
index 74a3f1985a..c00bc76ee6 100644
--- a/res/res_pjsip_pubsub.c
+++ b/res/res_pjsip_pubsub.c
@@ -148,6 +148,9 @@
 							<enum name="presence"><para>
 								Device state and presence reporting.
 							</para></enum>
+							<enum name="dialog"><para>
+								This is identical to <replaceable>presence</replaceable>.
+							</para></enum>
 							<enum name="message-summary"><para>
 								Message-waiting indication (MWI) reporting.
 							</para></enum>