diff --git a/README.md b/README.md
index 7e533d6..fd2edf8 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,16 @@
 # PageObjectExtension
 
-Provides default classes for Page object pattern in Behat:
+Provides default classes for Page object pattern in Behat.
 
-* `Page` - represents specific page on web, API etc.
-* `Element` - represents part of the page
+### Page
+
+`Page` represents specific page on web, API etc.
+This concept is extracted from [Sylius Behat system](https://github.com/Sylius/Sylius/tree/master/src/Sylius/Behat/Page) and
+inspired by [sensiolabs/BehatPageObjectExtension](https://github.com/sensiolabs/BehatPageObjectExtension/tree/master/src/PageObject)
+
+### Element
+
+`Element` represents part of the page. This concept is extracted from [SyliusAdminOrderCreation](https://github.com/Sylius/AdminOrderCreationPlugin/blob/master/tests/Behat/Element/Element.php).
 
 ## Installation
 
diff --git a/composer.json b/composer.json
index 3d6a78b..739f237 100644
--- a/composer.json
+++ b/composer.json
@@ -4,6 +4,15 @@
     "type": "library",
     "license": "MIT",
     "authors": [
+        {
+            "name": "Łukasz Chruściel",
+            "email": "lchrusciel@gmail.com"
+        },
+        {
+            "name": "Kamil Kokot",
+            "email": "kamil@kokot.me",
+            "homepage": "http://kamil.kokot.me"
+        },
         {
             "name": "Mateusz Zalewski",
             "email": "mateusz.p.zalewski@gmail.com",