diff --git a/docs/operating-eck/troubleshooting/common-problems.asciidoc b/docs/operating-eck/troubleshooting/common-problems.asciidoc
index 645cbb333b..279c2511a2 100644
--- a/docs/operating-eck/troubleshooting/common-problems.asciidoc
+++ b/docs/operating-eck/troubleshooting/common-problems.asciidoc
@@ -19,6 +19,7 @@ The default link:https://kubernetes.io/docs/concepts/configuration/manage-resour
 kubectl patch sts elastic-operator -n elastic-system -p '{"spec":{"template":{"spec":{"containers":[{"name":"manager", "resources":{"limits":{"memory":"2Gi"}}}]}}}}'
 ----
 
+NOTE: It is a best practice to set `spec.containers[].resources.limits.memory` and `spec.containers[].resources.requests.memory` to the same value.
 
 [id="{p}-{page_id}-webhook-timeout"]
 == Timeout when submitting a resource manifest