Fix Vale style warnings

- Change heading from 'What is fern.config.json?' to 'fern.config.json reference'
- Remove 'Rarely' adverb from organization field description
- Replace 'latest' with 'current' to avoid time-relative terms
- Replace 'new project' with 'project' to avoid time-relative terms

Co-Authored-By: Devin Logan <[email protected]>

Author: devin-ai-integration[bot]

fern/snippets/fern-config-json-reference.mdx

@@ -1,4 +1,4 @@
-## What is fern.config.json?
+## fern.config.json reference
 
 Every `fern/` folder contains a single `fern.config.json` file at its root. This configuration file stores your organization name and the Fern CLI version used for your project.
 
@@ -41,17 +41,17 @@ Using `"*"` tells Fern to use your locally installed CLI version. This is useful
 
 ### When to change these values
 
-- **`organization`**: Rarely needs to be changed. Only update this if your organization identifier changes in the Fern Dashboard.
+- **`organization`**: Only update this if your organization identifier changes in the Fern Dashboard.
 
-- **`version`**: Use the `fern upgrade` command to update to the latest CLI version. The command automatically updates this field in `fern.config.json` and upgrades generators in `generators.yml` to their minimum-compatible versions.
+- **`version`**: Use the `fern upgrade` command to update the CLI version. The command automatically updates this field in `fern.config.json` and upgrades generators in `generators.yml` to their minimum-compatible versions.
 
 ### How the CLI uses this file
 
 The following CLI commands read from `fern.config.json`:
 
 - **`fern check`**: Validates the configuration file
-- **`fern upgrade`**: Updates the `version` field to the latest CLI version
+- **`fern upgrade`**: Updates the `version` field to the current CLI version
 - **`fern token`**: Uses the `organization` field to generate organization-specific tokens
-- **`fern init`**: Creates this file when initializing a new project
+- **`fern init`**: Creates this file when initializing a project
 
 The version pinning ensures determinism across different environments. When you run any Fern CLI command, it automatically downloads and uses the specified CLI version, ensuring consistent behavior in local development, CI/CD pipelines, and across team members.