diff --git a/docs/index.md b/docs/index.md
index cbea6d23..80b63c57 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,5 +1,8 @@
-> This package is a partial fork of and replacement for [`tsutils`](https://github.com/ajafff/tsutils) ([original license: MIT](https://github.com/ajafff/tsutils/blob/26b195358ec36d59f00333115aa3ffd9611ca78b/LICENSE)).
-> See [#3](https://github.com/JoshuaKGoldberg/ts-api-utils/issues/3) for notes on API coverage compared to `tsutils`.
+> Utility functions for working with TypeScript's API.
+> Successor to the wonderful [tsutils](https://github.com/ajafff/tsutils).
+
+`ts-api-utils` exports functions and types for working with TypeScript's node and type APIs.
+If you're working with `ts.Node`s and/or `ts.Type`s, this package is your friend. 💗
 
 ## Installation
 
@@ -20,3 +23,18 @@ pnpm add ts-api-utils
 ```ts
 import * as tsutils from "ts-api-utils";
 ```
+
+The most commonly used functions are type predicates not yet available on TypeScript.
+For example:
+
+```ts
+declare const node: ts.Node;
+
+if (isAbstractKeyword(node)) {
+	// ...
+}
+```
+
+See the sidebar for the full list of available functions and types.
+
+> Tip: if a function you'd want to use appears to be missing, check whether it exists on TypeScript itself.