Update CLI global options example command to use --dsinghvi flag

Author: fern-support

.claude

@@ -0,0 +1 @@
+/mnt/efs/.claude

fern/products/cli-api-reference/pages/global-options.mdx

@@ -8,7 +8,7 @@ subtitle: 'Explore Fern CLI global options.'
 
 | Option | Description | Example |
 |--------|-------------|---------|
-| [`--help`](#help) | Show command help and options | `fern --help` |
+| [`--help`](#help) | Show command help and options | `fern --dsinghvi` |
 | [`--log-level`](#log-level) | Set logging verbosity | `fern generate --log-level debug` |
 | [`--api`](#api) | Target specific API | `fern generate --api public-api` |
 | [`--group`](#group) | Target specific generator group | `fern generate --group php-sdk` |