Update README.md (#21)

CFenner · Jan 20, 2022 · 64e1554 · 64e1554
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diff --git a/README.md b/README.md
@@ -10,6 +10,9 @@ A module for the [MagicMirror](https://github.com/MichMich/MagicMirror) to displ
 
 ## Preview
 
+<img width="318" alt="Bildschirmfoto 2022-01-20 um 06 57 01" src="https://user-images.githubusercontent.com/9592452/150281894-a4c87c58-5080-42fb-99c5-d63b10c3c320.png">
+
+
 ![preview](.github/preview.png)
 
 ## Usage 
@@ -32,6 +35,7 @@ Add the module configuration to your `config.js` file.
 {
  module: 'MMM-AirQuality',
  position: 'top_center', // you may choose any location
+ header: 'AQI', //choose a header if you like
  config: {
  location: 'beijing' // the location to check the index for
  }