diff --git a/doc/events.txt b/doc/events.txt
index 4876ec6bb..92cc6235d 100644
--- a/doc/events.txt
+++ b/doc/events.txt
@@ -217,6 +217,7 @@ Triggered When:
 
 Arguments:
 
+ struct session *ses
  struct cache_entry *cached
 
 Description: