Merge pull request aws-samples#552 from aws-samples/geremyCohen-oom-detail-473

Update readme.adoc

Author: dalbhanj

01-path-basics/103-kubernetes-concepts/readme.adoc

@@ -311,6 +311,10 @@ Watch the status of the Pod:
 
 `OOMKilled` shows that the container was terminated because it ran out of memory.
 
+To correct this, we'll need to re-create the pod with higher memory limits.  
+
+Although it may be instinctive to simply adjust the memory limit in the existing pod definition and re-apply it, Kubernetes does not currently support changing resource limits on running pods, so we'll need to first delete the existing pod, then recreate it.
+
 In `pod-resources2.yaml`, confirm that the value of `spec.containers[].resources.limits.memory` is `300Mi`. Delete the existing Pod, and create a new one:
 
 	$ kubectl delete -f pod-resources1.yaml
@@ -331,7 +335,7 @@ Get more details about the resources allocated to the Pod:
 
 === Quality of service
 
-Kubernetes opportunistically scavenge the difference between request and limit if they are not used by the Containers. This allows Kubernetes to oversubscribe nodes, which increases utilization, while at the same time maintaining resource guarantees for the containers that need guarantees.
+Kubernetes opportunistically scavenges the difference between request and limit if they are not used by the Containers. This allows Kubernetes to oversubscribe nodes, which increases utilization, while at the same time maintaining resource guarantees for the containers that need guarantees.
 
 Kubernetes assigns one of the QoS classes to the Pod: