diff --git a/complex.js b/complex.js
index 8da8c3e..33b549e 100644
--- a/complex.js
+++ b/complex.js
@@ -1,4 +1,5 @@
 // @ts-check
+
 /// <reference path="./typings/complex.d.ts" />
 
 /**
diff --git a/package.json b/package.json
index 71c18a1..353d652 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,12 @@
   "browser": "complex.js",
   "module": "complex.mjs",
   "types": "typings/complex.d.mts",
+  "keywords": [
+    "complex", "cmath", "trig", "trigonometry",
+    "jsdoc", "tsdoc", "jest", "tsd",
+    "hashcode", "iterator",
+    "esm", "mjs", "mts"
+  ],
   "scripts": {
     "preinstall": "cd scripts && dev-packs",
     "test": "cd scripts && test",
diff --git a/tests/complex.jest.mjs b/tests/complex.jest.mjs
index 22e3ea1..78f5eaa 100644
--- a/tests/complex.jest.mjs
+++ b/tests/complex.jest.mjs
@@ -1,4 +1,5 @@
 // @ts-check
+
 /// <reference path="../node_modules/@jest/globals/build/index.d.ts" />
 
 import Complex from '../complex.mjs';
diff --git a/tests/test.js b/tests/test.js
index a95cf64..e93d2dd 100644
--- a/tests/test.js
+++ b/tests/test.js
@@ -1,4 +1,5 @@
 // @ts-check
+
 /// <reference path="../typings/complex.d.ts" />
 
 "use strict";