diff --git a/pentesting-cloud/gcp-security/gcp-privilege-escalation/gcp-pubsub-privesc.md b/pentesting-cloud/gcp-security/gcp-privilege-escalation/gcp-pubsub-privesc.md
index a4d2738e..47bcd814 100644
--- a/pentesting-cloud/gcp-security/gcp-privilege-escalation/gcp-pubsub-privesc.md
+++ b/pentesting-cloud/gcp-security/gcp-privilege-escalation/gcp-pubsub-privesc.md
@@ -16,6 +16,12 @@ Other ways to support HackTricks:
 
 ## PubSub
 
+Get more information in:
+
+{% content-ref url="../gcp-services/gcp-pub-sub.md" %}
+[gcp-pub-sub.md](../gcp-services/gcp-pub-sub.md)
+{% endcontent-ref %}
+
 ### `pubsub.snapshots.create`
 
 The snapshots of topics **contain the current unACKed messages and every message after it**. You could create a snapshot of a topic to **access all the messages**, **avoiding access the topic directly**.