docs: improve env var descriptions

packages/noco-docs/docs/020.getting-started/050.self-hosted/020.environment-variables.md

@@ -32,7 +32,8 @@ For production use cases, it is **recommended** to set at least:
 | `NC_TOOL_DIR` | App directory to keep metadata and app related files in. | Defaults to the current working directory. In docker, maps to `/usr/app/data/` for mounting volume. |
 | `NC_PUBLIC_URL` | Used for sending E-mail invitations. | Best guess from HTTP request params. |
 | `NC_JWT_EXPIRES_IN` | JWT token expiry time | Defaults to `10h`. |
-| `NC_CONNECT_TO_EXTERNAL_DB_DISABLED` | Disable project creation with external database. | |
+| `NC_CONNECT_TO_EXTERNAL_DB_DISABLED` | Disable base creation on external databases. | |
+| `NC_MINIMAL_DBS` | Create a new SQLite file for each base. All the SQLite database files are stored in the `nc_minimal_dbs` folder in the current working directory. Enabling this option automatically sets `NC_CONNECT_TO_EXTERNAL_DB_DISABLED`, i.e. disables base creation on external databases. | |
 | `NC_INVITE_ONLY_SIGNUP` | Removed since version 0.99.0, and now it's recommended to use the [super admin settings menu](/account-settings/oss-specific-details#enable--disable-signup). Disable public signup and allow signup only via invitations. | |
 | `NUXT_PUBLIC_NC_BACKEND_URL` | Custom backend URL. | Defaults to `http://localhost:8080`. |
 | `NC_REQUEST_BODY_SIZE` | Request body size [limit](https://expressjs.com/en/resources/middleware/body-parser.html#limit) | Defaults to `1048576`. |
@@ -62,7 +63,6 @@ For production use cases, it is **recommended** to set at least:
 | `NC_MAX_ATTACHMENTS_ALLOWED` | Maximum number of attachments per cell. | Defaults to `10`. |
 | `NC_SECURE_ATTACHMENTS` | Allow accessing attachments only through pre-signed URLs. Set to `true` to enable, any other value is treated as `false`. (⚠ this will make existing links inaccessible ⚠) | Defaults to `false`. |
 | `NC_ATTACHMENT_EXPIRE_SECONDS` | Number of seconds after which pre-signed attachment URLs will begin to expire. The URLs will expire after `NC_ATTACHMENT_EXPIRE_SECONDS` plus 10 minutes at the very latest. | Defaults to `7200` (2 hours). |
-| `NC_MINIMAL_DBS` | Create a new SQLite file for each project. All the SQLite database files are stored in the `nc_minimal_dbs` folder in the current working directory. This option restricts project creation on external sources. | |
 | `NC_DISABLE_AUDIT` | Disable audit log. | Defaults to `false`. |
 | `NC_AUTOMATION_LOG_LEVEL` | Possible Values: `OFF`, `ERROR`, `ALL`. See [Webhooks](/automation/webhook/create-webhook#call-log) for details. | Defaults to `OFF`. |
 | `NC_ALLOW_LOCAL_HOOKS` | ⚠ Allow webhooks to call local links which can raise security issues. ⚠ Set to `true` to enable, any other value is treated as `false` | Defaults to `false`. |