Line up argument, annotation names

README.md

@@ -111,8 +111,10 @@ Queries all the VPA objects that are labelled for this tool and summarizes their
 
 ### Container Exclusions
 
-The `dashboard` and `summary` commands can exclude recommendations for a list of comma separate container names using the `--excludes-containers` argument. This option can be useful for hiding recommendations for sidecar containers for things like Linkerd and Istio.
+The `dashboard` and `summary` commands can exclude recommendations for a list of comma separated container names using the `--exclude-containers` argument. This option can be useful for hiding recommendations for sidecar containers for things like Linkerd and Istio.
 
-Containers can be excluded for individual deployments by applying an annotation to any deployment. The annotation value should be a list of comma separated container names. The annotation value will be combined with any values provided through the `--excludes-containers` argument.
+Containers can be excluded for individual deployments by applying an annotation to any deployment. The annotation value should be a list of comma separated container names. The annotation value will be combined with any values provided through the `--exclude-containers` argument.
 
-`goldilocks.fairwinds.com/exclude-container: linkerd-proxy`
+Example annotation:
+
+`goldilocks.fairwinds.com/exclude-containers: linkerd-proxy,istio-proxy`

pkg/summary/summary.go

@@ -100,7 +100,7 @@ func constructSummary(vpas *v1beta2.VerticalPodAutoscalerList, excludeContainers
 			break
 		}
 
-		if annotationValue, annotationFound := deployment.Annotations["goldilocks.fairwinds.com/exclude-container"]; annotationFound {
+		if annotationValue, annotationFound := deployment.Annotations["goldilocks.fairwinds.com/exclude-containers"]; annotationFound {
 			containerExclusions = append(containerExclusions, strings.Split(annotationValue, ",")...)
 		}