diff --git a/Makefile b/Makefile
index 8559fa3..80bb3f1 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 # ZeaVis Edu — Root Makefile
 #
 # Orchestrates the application stack (web, api, ml) and the telemetry
-# metric pipeline (Prometheus → Ingester → Vector → ClickHouse).
+# metric pipeline (Prometheus → Grafana).
 #
 # Telemetry commands operate on the submodule at telemetry/.
 # =============================================================================
diff --git a/telemetry b/telemetry
index 2582a53..89d560b 160000
--- a/telemetry
+++ b/telemetry
@@ -1 +1 @@
-Subproject commit 2582a535920b7b60a0fb9d0e6ef29437288a5034
+Subproject commit 89d560baf848ec870fc7be46b72f3d67bf4fa7b3