fix typo

Signed-off-by: yxxhero <aiopsclub@163.com>

pkg/kubelet/kuberuntime/helpers.go

@@ -142,7 +142,7 @@ func (m *kubeGenericRuntimeManager) getImageUser(image string) (*int64, string,
 // isInitContainerFailed returns true under the following conditions:
 // 1. container has exited and exitcode is not zero.
 // 2. container in unknown state.
-// 3. container occurs OOMKilled.
+// 3. container gets OOMKilled.
 func isInitContainerFailed(status *kubecontainer.Status) bool {
 	// When oomkilled occurs, init container should be considered as a failure.
 	if status.Reason == "OOMKilled" {