Update README.md

sokil · web-flow · commit b13f197f32ff · 2021-03-17T12:34:18.000+02:00
diff --git a/README.md b/README.md
@@ -16,11 +16,7 @@ represent eight independent values.
 ### Installation
 
 ```
-{
-    "require": {
-        "sokil/php-bitmap": "2.0"
-    }
-}
+composer require sokil/php-bitmap
 ```
 
 ### Useage
