diff --git a/CONVENTIONS.md b/CONVENTIONS.md
index 8207bcd54d..c7ca85045f 100644
--- a/CONVENTIONS.md
+++ b/CONVENTIONS.md
@@ -470,9 +470,9 @@ for all containers in the `openshift-monitoring` namespace:
 # CPU request / usage of the SDN container
 scalar(
   max(kube_pod_container_resource_requests{namespace="openshift-sdn", container="sdn", resource="cpu"}) /
-  max(max_over_time(node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate{namespace="openshift-sdn", container="sdn"}[120m]))) * 
+  max(max_over_time(node_namespace_pod_container:container_cpu_usage_seconds_total:sum_irate{namespace="openshift-sdn", container="sdn"}[120m]))) *
 # CPU usage of each container in the openshift-monitoring namespace
-max by (pod, container) (node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate{namespace="openshift-monitoring"})
+max by (pod, container) (node_namespace_pod_container:container_cpu_usage_seconds_total:sum_irate{namespace="openshift-monitoring"})
 ```
 
 > Please note that pods which run on control-plane nodes must use the etcd container as their baseline.