diff --git a/readme.md b/readme.md
index 9ccf345..164fb1f 100644
--- a/readme.md
+++ b/readme.md
@@ -17,7 +17,7 @@
* [Install](#install)
* [Use](#use)
* [API](#api)
- * [`toString(node[, separator])`](#tostringnode-separator)
+ * [`toString(value[, separator])`](#tostringvalue-separator)
* [Types](#types)
* [Compatibility](#compatibility)
* [Contribute](#contribute)
@@ -35,7 +35,7 @@ This is a small utility that is useful when you’re dealing with ASTs.
## Install
This package is [ESM only][esm].
-In Node.js (version 12.20+, 14.14+, 16.0+, 18.0+), install with [npm][]:
+In Node.js (version 14.14+ and 16.0+), install with [npm][]:
```sh
npm install nlcst-to-string
@@ -44,14 +44,14 @@ npm install nlcst-to-string
In Deno with [`esm.sh`][esmsh]:
```js
-import {toString} from "https://esm.sh/nlcst-to-string@3"
+import {toString} from 'https://esm.sh/nlcst-to-string@3'
```
In browsers with [`esm.sh`][esmsh]:
```html
```
@@ -74,21 +74,26 @@ console.log(
## API
-This package exports the identifier `toString`.
+This package exports the identifier [`toString`][tostring].
There is no default export.
-### `toString(node[, separator])`
+### `toString(value[, separator])`
-Stringify the given [nlcst][] node (or list of nodes).
+Get the text content of a node or list of nodes.
+
+Prefers the node’s plain-text fields, otherwise serializes its children, and
+if the given value is an array, serialize the nodes in it.
###### Parameters
-* `node` ([`Node`][node] or `Array`) — node to serialize.
-* `separator` (`string`, default: `''`) — value to delimit each item
+* `node` ([`Node`][node] or `Array`)
+ — node to serialize.
+* `separator` (`string`, default: `''`)
+ — value to delimit each item
###### Returns
-`string`.
+Result (`string`).
## Types
@@ -99,7 +104,7 @@ It exports no additional types.
Projects maintained by the unified collective are compatible with all maintained
versions of Node.js.
-As of now, that is Node.js 12.20+, 14.14+, 16.0+, and 18.0+.
+As of now, that is Node.js 14.14+ and 16.0+.
Our projects sometimes work with older versions, but this is not guaranteed.
## Contribute
@@ -167,3 +172,5 @@ abide by its terms.
[nlcst]: https://github.com/syntax-tree/nlcst
[node]: https://github.com/syntax-tree/nlcst#nodes
+
+[tostring]: #tostringvalue-separator