diff --git a/README.md b/README.md
index 9d3830fa..69e78648 100644
--- a/README.md
+++ b/README.md
@@ -2,13 +2,13 @@
 Beaivi
 =======
 
-[![Build Status](https://travis-ci.org/mourner/suncalc.svg?branch=master)](https://travis-ci.org/mourner/suncalc)
+[![Node.js CI](https://github.com/Glatek/beaivi/actions/workflows/nodejs.yml/badge.svg)](https://github.com/Glatek/beaivi/actions/workflows/nodejs.yml)
 
-SunCalc is a tiny BSD-licensed JavaScript library for calculating sun position,
+Beaivi is a tiny BSD-licensed JavaScript library for calculating sun position,
 sunlight phases (times for sunrise, sunset, dusk, etc.),
-moon position and lunar phase for the given location and time,
-created by [Vladimir Agafonkin](http://agafonkin.com/en) ([@mourner](https://github.com/mourner))
-as a part of the [SunCalc.net project](http://suncalc.net).
+moon position and lunar phase for the given location and time.
+
+The original code is from [SunCalc](https://github.com/mourner/suncalc) created by [Vladimir Agafonkin](http://agafonkin.com/en) ([@mourner](https://github.com/mourner)) as a part of the [SunCalc.net project](http://suncalc.net). This repo has updated to code to add types and ES modules.
 
 Most calculations are based on the formulas given in the excellent Astronomy Answers articles
 about [position of the sun](http://aa.quae.nl/en/reken/zonpositie.html)
@@ -20,36 +20,27 @@ in the [Twilight article on Wikipedia](http://en.wikipedia.org/wiki/Twilight).
 ## Usage example
 
 ```javascript
-// get today's sunlight times for London
-var times = SunCalc.getTimes(new Date(), 51.5, -0.1);
-
-// format sunrise time from the Date object
-var sunriseStr = times.sunrise.getHours() + ':' + times.sunrise.getMinutes();
+import * as Beaivi from 'beaivi';
 
-// get position of the sun (azimuth and altitude) at today's sunrise
-var sunrisePos = SunCalc.getPosition(times.sunrise, 51.5, -0.1);
+// Get today's sunlight times for London
+const times = Beaivi.getTimes(new Date(), 51.5, -0.1);
 
-// get sunrise azimuth in degrees
-var sunriseAzimuth = sunrisePos.azimuth * 180 / Math.PI;
-```
+// Format sunrise time from the Date object
+const sunriseStr = times.sunrise.getHours() + ':' + times.sunrise.getMinutes();
 
-SunCalc is also available as an NPM package:
+// Get position of the sun (azimuth and altitude) at today's sunrise
+const sunrisePos = Beaivi.getPosition(times.sunrise, 51.5, -0.1);
 
-```bash
-$ npm install suncalc
+// Get sunrise azimuth in degrees
+const sunriseAzimuth = sunrisePos.azimuth * 180 / Math.PI;
 ```
 
-```js
-var SunCalc = require('suncalc');
-```
-
-
 ## Reference
 
 ### Sunlight times
 
 ```javascript
-SunCalc.getTimes(/*Date*/ date, /*Number*/ latitude, /*Number*/ longitude, /*Number (default=0)*/ height)
+Beaivi.getTimes(/*Date*/ date, /*Number*/ latitude, /*Number*/ longitude, /*Number (default=0)*/ height)
 ```
 
 Returns an object with the following properties (each is a `Date` object):
@@ -72,7 +63,7 @@ Returns an object with the following properties (each is a `Date` object):
 | `dawn`          | dawn (morning nautical twilight ends, morning civil twilight starts)     |
 
 ```javascript
-SunCalc.addTime(/*Number*/ angleInDegrees, /*String*/ morningName, /*String*/ eveningName)
+Beaivi.addTime(/*Number*/ angleInDegrees, /*String*/ morningName, /*String*/ eveningName)
 ```
 
 Adds a custom time when the sun reaches the given angle to results returned by `SunCalc.getTimes`.
@@ -83,7 +74,7 @@ Adds a custom time when the sun reaches the given angle to results returned by `
 ### Sun position
 
 ```javascript
-SunCalc.getPosition(/*Date*/ timeAndDate, /*Number*/ latitude, /*Number*/ longitude)
+Beaivi.getPosition(/*Date*/ timeAndDate, /*Number*/ latitude, /*Number*/ longitude)
 ```
 
 Returns an object with the following properties:
@@ -97,7 +88,7 @@ Returns an object with the following properties:
 ### Moon position
 
 ```javascript
-SunCalc.getMoonPosition(/*Date*/ timeAndDate, /*Number*/ latitude, /*Number*/ longitude)
+Beaivi.getMoonPosition(/*Date*/ timeAndDate, /*Number*/ latitude, /*Number*/ longitude)
 ```
 
 Returns an object with the following properties:
@@ -111,7 +102,7 @@ Returns an object with the following properties:
 ### Moon illumination
 
 ```javascript
-SunCalc.getMoonIllumination(/*Date*/ timeAndDate)
+Beaivi.getMoonIllumination(/*Date*/ timeAndDate)
 ```
 
 Returns an object with the following properties:
@@ -140,7 +131,7 @@ The zenith angle can be used do draw the moon shape from the observers perspecti
 ### Moon rise and set times
 
 ```js
-SunCalc.getMoonTimes(/*Date*/ date, /*Number*/ latitude, /*Number*/ longitude[, inUTC])
+Beaivi.getMoonTimes(/*Date*/ date, /*Number*/ latitude, /*Number*/ longitude[, inUTC])
 ```
 
 Returns an object with the following properties:
@@ -152,54 +143,3 @@ Returns an object with the following properties:
 
 By default, it will search for moon rise and set during local user's day (frou 0 to 24 hours).
 If `inUTC` is set to true, it will instead search the specified date from 0 to 24 UTC hours.
-
-## Changelog
-
-#### 1.8.0 — Dec 22, 2016
-
-- Improved precision of moonrise/moonset calculations.
-- Added `parallacticAngle` calculation to `getMoonPosition`.
-- Default to today's date in `getMoonIllumination`.
-- Fixed incompatibility when using Browserify/Webpack together with a global AMD loader.
-
-#### 1.7.0 — Nov 11, 2015
-
-- Added `inUTC` argument to `getMoonTimes`.
-
-#### 1.6.0 — Oct 27, 2014
-
-- Added `SunCalc.getMoonTimes` for calculating moon rise and set times.
-
-#### 1.5.1 — May 16, 2014
-
-- Exposed `SunCalc.times` property with defined daylight times.
-- Slightly improved `SunCalc.getTimes` performance.
-
-#### 1.4.0 — Apr 10, 2014
-
-- Added `phase` to `SunCalc.getMoonIllumination` results (moon phase).
-- Switched from mocha to tape for tests.
-
-#### 1.3.0 — Feb 21, 2014
-
-- Added `SunCalc.getMoonIllumination` (in place of `getMoonFraction`) that returns an object with `fraction` and `angle`
-(angle of illuminated limb of the moon).
-
-#### 1.2.0 — Mar 07, 2013
-
-- Added `SunCalc.getMoonFraction` function that returns illuminated fraction of the moon.
-
-#### 1.1.0 — Mar 06, 2013
-
-- Added `SunCalc.getMoonPosition` function.
-- Added nadir (darkest time of the day, middle of the night).
-- Added tests.
-
-#### 1.0.0 — Dec 07, 2011
-
-- Published to NPM.
-- Added `SunCalc.addTime` function.
-
-#### 0.0.0 — Aug 25, 2011
-
-- First commit.