diff --git a/modules/howtos/pages/observability-metrics.adoc b/modules/howtos/pages/observability-metrics.adoc
index b560fff5..aa36cdb3 100644
--- a/modules/howtos/pages/observability-metrics.adoc
+++ b/modules/howtos/pages/observability-metrics.adoc
@@ -148,7 +148,9 @@ receivers:
   otlp:
     protocols:
       grpc:
+        endpoint: '0.0.0.0:4317'
       http:
+        endpoint: '0.0.0.0:4318'
 
 exporters:
   logging: