diff --git a/content/topic/secondtopic.md b/content/topic/secondtopic.md
index fcfa1f1..3762c9e 100644
--- a/content/topic/secondtopic.md
+++ b/content/topic/secondtopic.md
@@ -1,6 +1,6 @@
 ---
 title: "Second topic"
-has_sessions: ["seventhsession.md"]
+has_sessions: ["seventhsession.md","ninthsession.md"]
 ---
 
 # Main header