fix readme

Author: stelucz

helm/aws-load-balancer-controller/README.md

@@ -231,7 +231,7 @@ The default values set by the application itself can be confirmed [here](https:/
 | `externalManagedTags`                          | Specifies the list of tag keys on AWS resources that are managed externally                                                                                                                                            | `[]`                                              |
 | `livenessProbe`                                | Liveness probe settings for the controller                                                                                                                                                                             | (see `values.yaml`)                               |
 | `env`                                          | Environment variables to set for aws-load-balancer-controller pod                                                                                                                                                      | None                                              |
-| `envSecretName`                                | Environment variables credentials from Secret (aws-secret) for aws-load-balancer-controller pod similarly as The EBS CSI Driver does.                                                                               | `false`                                           |
+| `envSecretName`                                | AWS credentials as environment variables from Secret (Secret keys `key_id` and `access_key`).                                                                                                                          | None                                              |
 | `hostNetwork`                                  | If `true`, use hostNetwork                                                                                                                                                                                             | `false`                                           |
 | `dnsPolicy`                                    | Set dnsPolicy if required                                                                                                                                                                                              | `ClusterFirst`                                    |
 | `extraVolumeMounts`                            | Extra volume mounts for the pod                                                                                                                                                                                        | `[]`                                              |