diff --git a/README.md b/README.md
index d089ee2..9b37233 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 ![logo](https://raw.githubusercontent.com/dev-labs-bg/fullscreen-video-view/master/logo.png)
-==========
+===
 [![Download](https://api.bintray.com/packages/slavipetrov/maven/fullscreen-video-view/images/download.svg) ](https://bintray.com/slavipetrov/maven/fullscreen-video-view/_latestVersion)
-[![Build Status](https://travis-ci.org/dev-labs-bg/fullscreen-video-view.svg?branch=0.0.9)](https://travis-ci.org/dev-labs-bg/fullscreen-video-view)
+[![Build Status](https://travis-ci.org/dev-labs-bg/fullscreen-video-view.svg?branch=1.0.0)](https://travis-ci.org/dev-labs-bg/fullscreen-video-view)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/5d2c2572dd7b4a2fb5eeabd6c2e18fbc)](https://www.codacy.com/app/slavipetrov/fullscreen-video-view?utm_source=github.com&utm_medium=referral&utm_content=dev-labs-bg/fullscreen-video-view&utm_campaign=Badge_Grade)
 
 FullscreenVideoView is a custom VideoView Android library which makes loading, setting up and going fullscreen for video views easy.
@@ -9,28 +9,27 @@ FullscreenVideoView is a custom VideoView Android library which makes loading, s
 <img src="https://github.com/dev-labs-bg/fullscreen-video-view/blob/master/preview.gif" width="250" height="445">
 
 Download
-==========
+===
 You can use Gradle:
 ```gradle
-compile 'bg.devlabs.fullscreenvideoview:library:0.0.9'
+compile 'bg.devlabs.fullscreenvideoview:library:1.0.0'
 ```
 or Maven:
 ```maven
 <dependency>
   <groupId>bg.devlabs.fullscreenvideoview</groupId>
   <artifactId>library</artifactId>
-  <version>0.0.9</version>
+  <version>1.0.0</version>
   <type>pom</type>
 </dependency>
 ```
 
 How to use FullscreenVideoView?
-==========
+===
 Declare the FullscreenVideoView in the XML layout file
 ```xml
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical">
@@ -50,28 +49,28 @@ The Activity where the FullscreenVideoView is declared should handle configurati
 ```
 
 Basic video loading (from URL or from a file)
-```java
+```kotlin
 // Loading from URL
-@Override public void onCreate(Bundle savedInstanceState) {
+override fun onCreate(savedInstanceState: Bundle?) {
 	...
-	FullscreenVideoView fullscreenVideoView = findViewById(R.id.fullscreenVideoView);
-	String videoUrl = "http://clips.vorwaerts-gmbh.de/VfE_html5.mp4";
-	fullscreenVideoView.videoUrl(videoUrl);
+	val fullscreenVideoView = findViewById(R.id.fullscreenVideoView)
+	val videoUrl = "https://clips.vorwaerts-gmbh.de/VfE_html5.mp4"
+	fullscreenVideoView.videoUrl(videoUrl)
 }
 
 // Loading from file
-@Override public void onCreate(Bundle savedInstanceState) {
+override fun onCreate(savedInstanceState: Bundle?) {
 	...
-	FullscreenVideoView fullscreenVideoView = findViewById(R.id.fullscreenVideoView);
-	File videoFile = new File("file_path");
-	fullscreenVideoView.videoFile(videoFile);
+	val fullscreenVideoView = findViewById(R.id.fullscreenVideoView)
+	val videoFile = new File("file_path")
+	fullscreenVideoView.videoFile(videoFile)
 }
 ```
 
 Change controls drawable resources
-----------
-Java
-```java
+---
+Java or Kotlin
+```kotlin
 fullscreenVideoView.videoUrl(videoUrl)
         .playDrawable(R.drawable.ic_play)
         .pauseDrawable(R.drawable.ic_pause)
@@ -96,39 +95,49 @@ XML
 ```
 
 Enable/disable controls
-----------
-```java
+---
+```kotlin
 fullscreenVideoView.videoUrl(videoUrl)
-        .canPause(true)
-        .canSeekBackward(false)
-        .canSeekForward(false)
+        .disablePause()
+        .addSeekBackwardButton()
+        .addSeekForwardButton()
 ```
 
 Enable video auto-start
-----------
-```java
+---
+```kotlin
 fullscreenVideoView.videoUrl(videoUrl)
         .enableAutoStart()
 ```
 
 Customize fast-forward and/or rewind seconds
-----------
-```java
+---
+```kotlin
 fullscreenVideoView.videoUrl(videoUrl)
         .fastForwardSeconds(5)
         .rewindSeconds(5)
 ```
+Change the playback speed (only for API 23 and above)
+---
+There are 7 playback speed values which are added by default, but they can be changed with custom ones when `playbackSpeedOptions` is used.
+```kotlin
+val playbackOptions = PlaybackSpeedOptions().addSpeeds(0.25f, 0.5f, 0.75f, 1f)
+
+fullscreenVideoView.videoUrl(videoUrl)
+        .addPlaybackSpeedButton()
+        .playbackSpeedOptions(playbackOptions)
+```
 
 Compatibility
-==========
+===
 - Minimum Android SDK: API level 19
-- Compile Android SDK: API level 27
+- Compile Android SDK: API level 28
 
 Known issues
-==========
+===
 There is a memory leak in Android 7 (API levels 24 and 25), which is known and [listed](https://github.com/square/leakcanary/issues/721)
 in the LeakCanary repository issues.
 
 License
-==========
-Apache 2.0. See the [LICENSE](https://github.com/dev-labs-bg/fullscreen-video-view/blob/master/LICENSE.txt) file for details.
+===
+Apache 2.0. See the [LICENSE](https://github.com/dev-labs-bg/fullscreen-video-view/blob/master/LICENSE.txt) file for details.
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