Incorrect cursor word in `:h`

## Problem

<img src="https://github.com/user-attachments/assets/c8949316-3d84-44f9-86b0-3fa469e80104" width=500>

## Current Behaviour

The entire `vim.api.nvim_command('echomsg` is highlighted.

## Expected Behaviour

Only `nvim_command` should get highlighted.