docs: Update packages/documentation/src/content/docs/partials/_auth-variables-helm.mdx

Co-authored-by: Melissa Henderson <57110301+melissahenderson@users.noreply.github.com>

Author: hajjimo

packages/documentation/src/content/docs/partials/_auth-variables-helm.mdx

@@ -31,7 +31,7 @@ import { LinkOut } from '@interledger/docs-design-system'
 | `config.auth.admin.signatureTtlSeconds`   | `30`               | The TTL, in seconds, for which a request signature is valid.                                         |
 | `config.auth.port.admin`                  | `3003`             | The port of your Rafiki Auth Admin API server.                                                       |
 | `config.auth.port.auth`                   | `3006`             | The port of your Open Payments authorization server.                                                 |
-| `config.auth.port.interaction`            | `3009`             | The port number of your Open Payments interaction-related API.                                       |
+| `config.auth.port.interaction`            | `3009`             | The port of your Open Payments interaction-related API.                                       |
 | `config.auth.port.introspection`          | `3007`             | The port of your Open Payments access token introspection server.                                    |
 | `config.auth.workers.cleanup`             | `1`                | The number of workers processing expired or revoked access tokens.                                   |
 | `config.auth.interaction.incomingPayment` | `"false"`          | When `"true"`, incoming Open Payments grant requests are interactive.                                |