docs(README): tweak wording in why section

README.md

@@ -58,10 +58,8 @@ Please use this [gist](https://gist.github.com/stevemao/280ef22ee861323993a0) to
 
 - Based on [conventional-changelog](https://github.com/ajoslin/conventional-changelog) but GitHub releases are more elegant.
 - Detecting prerelease based on semver, ignoring reverted commits, templating with [handlebars.js](https://github.com/wycats/handlebars.js) and links to references, etc. Open an [issue](../../issues/new) if you want more reasonable features.
-- Intelligently setup defaults but you can still modify them to your needs.
-- Fully configurable. There are [many presets](https://github.com/ajoslin/conventional-changelog/tree/master/presets) that you can use if you just want to use the same conventions. But it is also possible to configure if you want to go down to the nth degree.
+- Intelligently setup defaults but yet fully configurable with presets of popular projects.
 - Everything internally or externally is pluggable.
-- High performant. It doesn't spawn any extra child process to fetch data.
 - A lot of tests and actively maintained.