diff --git a/README.md b/README.md
index a665aa3..53a97e6 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,28 @@
 # vue-three-d-mockup
 
 Check out the [demo](https://anatolykopyl.github.io/vue-three-d-mockup/)
+
+## Usage
+
+```html
+<Mockup 
+  screenImg="screen.png"
+  lightClr="hsl(0, 100%, 100%)"
+/>
+```
+
+```js
+<script>
+import Mockup from 'vue-tree-d-mockup'
+
+export default {
+  components: {
+    Mockup
+  }
+}
+</script>
+```
+
+### props:
+- `screenImg`: path to image that will be displayed on the phones screen
+- `lightClr`: color of the light in the environment
diff --git a/package.json b/package.json
index db63f65..b048623 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "author": "Anatoly Kopyl <akopyl@radner.ru>",
+  "license": "GPL-3.0",
   "scripts": {
     "serve": "vue-cli-service serve",
     "build": "vue-cli-service build",