docs: fix typos. (#27)

Author: knightedcodemonkey

README.md

@@ -50,11 +50,11 @@ export { bar } from './path/to/bar.mjs'
 Or collect the AST nodes:
 
 ```ts
-import type { Spec } from '@knighted/specifier'
+import { type Spec, specifier } from '@knighted/specifier'
 
 const nodes: { node: Spec['node']; parent: Spec['parent'] }[] = []
 
-await specifier.update(resolve('file.ts'), ({ parent }) => {
+await specifier.update('file.ts', ({ parent, node }) => {
   nodes.push({ node, parent })
 })