diff --git a/pkg/util/conntrack/conntrack.go b/pkg/util/conntrack/conntrack.go
index 609d1250d02..52759266ae4 100644
--- a/pkg/util/conntrack/conntrack.go
+++ b/pkg/util/conntrack/conntrack.go
@@ -117,7 +117,7 @@ func ClearEntriesForNAT(execer exec.Interface, origin, dest string, protocol v1.
 // https://github.com/kubernetes/kubernetes/issues/59368
 func ClearEntriesForPortNAT(execer exec.Interface, dest string, port int, protocol v1.Protocol) error {
 	if port <= 0 {
-		return fmt.Errorf("Wrong port number. The port number must be greater then zero")
+		return fmt.Errorf("Wrong port number. The port number must be greater than zero")
 	}
 	parameters := parametersWithFamily(utilnet.IsIPv6String(dest), "-D", "-p", protoStr(protocol), "--dport", strconv.Itoa(port), "--dst-nat", dest)
 	err := Exec(execer, parameters...)