Update polyaxon-helm-reference.md
According to the values.yaml file it should be plural i.e `nodeSelectors` not `nodeSelector`
@@ -542,11 +542,11 @@ nfsProvisioner:
| Parameter | Description | Default
| -----------------------------------| -------------------------------------------------------------| ----------------------------------------------------------
-| `nodeSelector.core` | Node selector for core pod assignment | `{}`
-| `nodeSelector.experiments` | Node selector for experiments pod assignment | `{}`
-| `nodeSelector.jobs` | Node selector for jobs pod assignment | `{}`
-| `nodeSelector.builds` | Node selector for builds pod assignment | `{}`
-| `nodeSelector.tensorboards` | Node selector for tensorboards pod assignment | `{}`
+| `nodeSelectors.core` | Node selector for core pod assignment | `{}`
+| `nodeSelectors.experiments` | Node selector for experiments pod assignment | `{}`
+| `nodeSelectors.jobs` | Node selector for jobs pod assignment | `{}`
+| `nodeSelectors.builds` | Node selector for builds pod assignment | `{}`
+| `nodeSelectors.tensorboards` | Node selector for tensorboards pod assignment | `{}`
| `tolerations.core` | Tolerations for core pod assignment | `[]`
| `tolerations.experiments` | Tolerations for experiments pod assignment | `[]`
| `tolerations.jobs` | Tolerations for jobs pod assignment | `[]`
