Update kubedb.md

operators/kubedb.md

@@ -7,5 +7,5 @@ kubectl get snapshots.kubedb.com -o go-template --template '{{range .items}}{{.m
 Clean snapshots older than 2 months in all namespaces:
 
 ```
-kubectl get snapshots.kubedb.com -o go-template --template '{{range .items}}{{.metadata.namespace}} {{.metadata.name}} {{.metadata.creationTimestamp}}{{"\n"}}{{end}}' -A  | awk '$3 <= "'$(date -d '2 month ago' -Ins --utc | sed 's/+0000/Z/')'" { print $1 " " $2}' | xargs --no-run-if-empty kubectl delete snapshots.kubedb.com
+kubectl get snapshots.kubedb.com -o go-template --template '{{range .items}}{{.metadata.namespace}} {{.metadata.name}} {{.metadata.creationTimestamp}}{{"\n"}}{{end}}' -A  | awk '$3 <= "'$(date -d '2 month ago' -Ins --utc | sed 's/+0000/Z/')'" { print $1 " " $2}' | xargs --no-run-if-empty kubectl delete snapshots.kubedb.com -n
 ```
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