Refactor docs

Author: wooorm

readme.md

@@ -38,7 +38,7 @@ looking for!
 ## Install
 
 This package is [ESM only][esm].
-In Node.js (version 14.14+ and 16.0+), install with [npm][]:
+In Node.js (version 16+), install with [npm][]:
 
 ```sh
 npm install hast-util-sectioning
@@ -73,10 +73,12 @@ sectioning({
 sectioning({
   type: 'element',
   tagName: 'article',
+  properties: {},
   children: [
     {
       type: 'element',
       tagName: 'p',
+      properties: {},
       children: [{type: 'text', value: 'Delta'}]
     }
   ]
@@ -85,7 +87,7 @@ sectioning({
 
 ## API
 
-This package exports the identifier [`sectioning`][sectioning].
+This package exports the identifier [`sectioning`][api-sectioning].
 There is no default export.
 
 ### `sectioning(value)`
@@ -109,10 +111,13 @@ It exports no additional types.
 
 ## Compatibility
 
-Projects maintained by the unified collective are compatible with all maintained
+Projects maintained by the unified collective are compatible with maintained
 versions of Node.js.
-As of now, that is Node.js 14.14+ and 16.0+.
-Our projects sometimes work with older versions, but this is not guaranteed.
+
+When we cut a new major release, we drop support for unmaintained versions of
+Node.
+This means we try to keep the current release line, `hast-util-sectioning@^2`,
+compatible with Node.js 12.
 
 ## Security
 
@@ -180,9 +185,9 @@ abide by its terms.
 
 [downloads]: https://www.npmjs.com/package/hast-util-sectioning
 
-[size-badge]: https://img.shields.io/bundlephobia/minzip/hast-util-sectioning.svg
+[size-badge]: https://img.shields.io/badge/dynamic/json?label=minzipped%20size&query=$.size.compressedSize&url=https://deno.bundlejs.com/?q=hast-util-sectioning
 
-[size]: https://bundlephobia.com/result?p=hast-util-sectioning
+[size]: https://bundlejs.com/?q=hast-util-sectioning
 
 [sponsors-badge]: https://opencollective.com/unified/sponsors/badge.svg
 
@@ -222,4 +227,4 @@ abide by its terms.
 
 [xss]: https://en.wikipedia.org/wiki/Cross-site_scripting
 
-[sectioning]: #sectioningvalue
+[api-sectioning]: #sectioningvalue