diff --git a/doc/01-About.md b/doc/01-About.md
index fea23d84..c880ac00 100644
--- a/doc/01-About.md
+++ b/doc/01-About.md
@@ -34,10 +34,6 @@ Icinga DB Web also connects to the Icinga 2 API with its Command Transport to ac
 
 These are the components of Icinga DB embedded into an Icinga setup with Icinga 2 and Icinga Web 2.
 
-Since the Icinga DB daemon always receives the latest information from Redis®, it is an ideal candidate to distribute information further.
-In addition to inserting data into a relational database, Icinga DB can also forward events to [Icinga Notifications](https://icinga.com/docs/icinga-notifications/),
-as described in the [configuration section](03-Configuration.md#notifications-source-configuration).
-
 ## Installation
 
 To install Icinga DB see [Installation](02-Installation.md).
diff --git a/doc/03-Configuration.md b/doc/03-Configuration.md
index a1a3a069..14e4e377 100644
--- a/doc/03-Configuration.md
+++ b/doc/03-Configuration.md
@@ -176,6 +176,12 @@ ICINGADB_RETENTION_OPTIONS=comment:356
 
 ## Notifications Source Configuration
 
+!!! warning
+
+    The Icinga Notifications integration is a feature preview that you can try out.
+    However, incompatible changes may happen, so be sure to check the changelog for future updates.
+    Please do not use it in production.
+
 Icinga DB can act as an event source for [Icinga Notifications](https://icinga.com/docs/icinga-notifications/).
 If configured, Icinga DB will submit events to the Icinga Notifications API.