Improve spelling

Author: JoviDeCroock

benchmark/printer-benchmark.js

@@ -8,7 +8,7 @@ const { bigDocument } = require('./fixtures.js');
 const document = parse(bigDocument);
 
 module.exports = {
-  name: 'Print ktichen-sink query',
+  name: 'Print kitchen-sink query',
   count: 1000,
   measure() {
     print(document);

cspell.yml

@@ -51,6 +51,7 @@ words:
   # TODO: contribute upstream
   - deno
   - codecov
+  - falsey
 
   # Website tech
   - Nextra