diff --git a/xep-0166.xml b/xep-0166.xml
index 12942951..33d5f0d9 100644
--- a/xep-0166.xml
+++ b/xep-0166.xml
@@ -1018,6 +1018,10 @@ PENDING o----------------------+ |
| <busy/> |
The party is busy and cannot accept a session. |
+
+ | <cancel/> |
+ The initiator wishes to formally cancel the session initiation request. |
+
| <connectivity-error/> |
The action is related to connectivity problems. |
@@ -1026,6 +1030,10 @@ PENDING o----------------------+ |
<decline/> |
The party wishes to formally decline the session. |
+
+ | <expiration/> |
+ The session length has exceeded a pre-defined time limit (e.g., a meeting hosted at a conference service). |
+
| <general-error/> |
The action is related to a non-specific application error. |
@@ -1042,6 +1050,10 @@ PENDING o----------------------+ |
<success/> |
The session has been successfully completed. |
+
+ | <timeout/> |
+ A request has not been answered so the sender is timing out the request. |
+
| <unsupported-applications/> |
The party supports none of the offered application types. |