Fix helm parameter customResourceManagerDisabled (#467)

Author: gingimli

charts/kubernetes-external-secrets/README.md

@@ -72,7 +72,7 @@ The following table lists the configurable parameters of the `kubernetes-externa
 | Parameter                                 | Description                                                                                                                       | Default                               |
 | ----------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------- |
 | `crds.create`                             | For Helm V2 installations of the chart to install the CRD, for V3 installations use `--skip-crds` appropriately                   | `false`                               |
-| `customResourceManagedDisabled`           | Disables the custom resource manager, requiring the CRD be installed via the chart or other means                                 | `false`                               |
+| `customResourceManagerDisabled`           | Disables the custom resource manager, requiring the CRD be installed via the chart or other means                                 | `false`                               |
 | `env.AWS_REGION`                          | Set AWS_REGION in Deployment Pod                                                                                                  | `us-west-2`                           |
 | `env.LOG_LEVEL`                           | Set the application log level                                                                                                     | `info`                                |
 | `env.METRICS_PORT`                        | Specify the port for the prometheus metrics server                                                                                | `3001`                                |