doc: update README

Author: xiaoshihou514

README.md

@@ -8,10 +8,9 @@ Async formatting and linting utility for neovim `0.10+`.
 
 ## Features
 
-- Blazingly fast
-- Async using coroutine and luv spawn
+- Async and blazingly fast
 - Builtin support for popular formatters and linters
-- Easy configuration for custom tools
+- Minimal API allowing for full customization
 - Light-weight
 
 ## Usage
@@ -64,8 +63,12 @@ vim.g.guard_config = {
 }
 ```
 
-- Use `Guard fmt` to manually call format, when there is a visual selection only the selection is formatted. **NOTE**: Regional formatting just sends your selection to the formatter, if there's not enough context incoherent formatting might occur (e.g. indent being erased)
+- Use `Guard fmt` to manually call format, when there is a visual selection only the selection is formatted. **NOTE**: Regional formatting is best-effort, expect inconsistencies.
 - `enable-fmt`, `disable-fmt` turns auto formatting on and off for the current buffer.
+- Use `Guard Lint` to lint manually.
+- `enable-lint` and `disable-lint` controls auto linting for the current buffer.
+
+## Examples
 
 Format c files with clang-format and lint with clang-tidy:
 
@@ -95,9 +98,6 @@ Lint all your files with `codespell`
 ft('*'):lint('codespell')
 ```
 
-- Use `Guard Lint` to lint manually.
-- `enable-lint` and `disable-lint` controls auto linting for the current buffer.
-
 You can also easily create your own configuration that's not in `guard-collection`, see [CUSTOMIZE.md](./CUSTOMIZE.md).
 
 For more niche use cases, [ADVANCED.md](./ADVANCED.md) demonstrates how to: