diff --git a/docker-compose/monitor/docker-compose.yml b/docker-compose/monitor/docker-compose.yml
index 61e9170148c..0f79258024a 100644
--- a/docker-compose/monitor/docker-compose.yml
+++ b/docker-compose/monitor/docker-compose.yml
@@ -17,6 +17,7 @@ services:
       - PROMETHEUS_QUERY_NORMALIZE_DURATION=true
     ports:
       - "16686:16686"
+
   otel_collector:
     networks:
       - backend
@@ -26,6 +27,9 @@ services:
     command: --config /etc/otelcol/otel-collector-config.yml
     depends_on:
       - jaeger
+    ports:
+      - "8889:8889"
+
   microsim:
     networks:
       - backend
@@ -36,6 +40,7 @@ services:
       - OTEL_EXPORTER_OTLP_INSECURE=true
     depends_on:
       - otel_collector
+
   prometheus:
     networks:
       - backend
@@ -44,6 +49,7 @@ services:
       - "./prometheus.yml:/etc/prometheus/prometheus.yml"
     ports:
       - "9090:9090"
+
   grafana:
     networks:
       - backend
@@ -56,7 +62,7 @@ services:
       - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
       - GF_AUTH_DISABLE_LOGIN_FORM=true
     ports:
-      - 3000:3000
+      - "3000:3000"
 
 networks:
   backend:
diff --git a/docker-compose/monitor/otel-collector-config-connector.yml b/docker-compose/monitor/otel-collector-config-connector.yml
index 038f5f86c29..72d577d4321 100644
--- a/docker-compose/monitor/otel-collector-config-connector.yml
+++ b/docker-compose/monitor/otel-collector-config-connector.yml
@@ -1,9 +1,4 @@
 receivers:
-  jaeger:
-    protocols:
-      thrift_http:
-        endpoint: "0.0.0.0:14278"
-
   otlp:
     protocols:
       grpc:
@@ -27,11 +22,12 @@ processors:
 service:
   pipelines:
     traces:
-      receivers: [otlp, jaeger]
+      receivers: [otlp]
       processors: [batch]
       exporters: [spanmetrics, otlp]
-    # The exporter name in this pipeline must match the spanmetrics.metrics_exporter name.
-    # The receiver is just a dummy and never used; added to pass validation requiring at least one receiver in a pipeline.
+
+    # The metrics pipeline receives generated span metrics from 'spanmetrics' connector
+    # and pushes to Prometheus exporter, which makes them available for scraping on :8889.
     metrics/spanmetrics:
       receivers: [spanmetrics]
       exporters: [prometheus]