diff --git a/README.md b/README.md
index 0e4d64a..28e184a 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,12 @@ Features
  - Autoloading of required assets.
  - [Layer for MetaModels](https://github.com/netzmacht/contao-leaflet-metamodels)
  
+
+Documentation
+-------------
+
+A basic [user documentation](http://leaflet-maps-for-contao.readthedocs.org/) written in German is available.
+ 
 Changelog
 ---------
 
diff --git a/composer.json b/composer.json
index d1c1611..e21def3 100644
--- a/composer.json
+++ b/composer.json
@@ -1,12 +1,12 @@
 {
   "name": "netzmacht/contao-leaflet-maps",
+  "type": "contao-bundle",
   "description": "Contao Leaflet maps integration",
   "keywords": [
     "contao",
     "maps",
     "leaflet"
   ],
-  "type": "contao-bundle",
   "license": "LGPL-3.0-or-later",
   "authors": [
     {
@@ -16,38 +16,48 @@
       "role": "Developer"
     }
   ],
-  "support": {
-    "email": "mail@netzmacht.de",
-    "issues": "https://github.com/netzmacht/contao-leaflet-maps/issues",
-    "source": "https://github.com/netzmacht/contao-leaflet-maps"
-  },
   "require": {
     "php": ">=7.1",
     "ext-json": "*",
     "ext-pdo": "*",
+    "contao-community-alliance/meta-palettes": "^2.0 || ^1.11",
     "contao/core-bundle": "~4.4",
+    "doctrine/cache": "^1.0",
     "doctrine/dbal": "^2.5",
-    "symfony/config": "~3.3 || ~4.0",
-    "symfony/event-dispatcher": "~3.3 || ~4.0",
-    "symfony/dependency-injection": "~3.3 || ~4.0",
-    "symfony/filesystem": "~3.3 || ~4.0",
-    "symfony/http-kernel": "~3.3 || ~4.0",
-    "symfony/translation": "~3.3 || ~4.0",
-    "symfony/templating": "~3.3 || ~4.0",
-    "netzmacht/contao-leaflet-libraries": "^1.3.4",
+    "menatwork/contao-multicolumnwizard": "^3.3",
     "netzmacht/contao-leaflet-geocode-widget": "^1.2",
+    "netzmacht/contao-leaflet-libraries": "^1.3.4",
+    "netzmacht/contao-page-context": "~1.0",
+    "netzmacht/contao-toolkit": "~3.0",
     "netzmacht/php-javascript-builder": "^1.0",
     "netzmacht/php-leaflet": "^1.1.0",
-    "netzmacht/contao-toolkit": "~3.0",
-    "netzmacht/contao-page-context": "~1.0",
-    "contao-community-alliance/meta-palettes": "^2.0 || ^1.5",
-    "menatwork/contao-multicolumnwizard": "^3.2",
-    "doctrine/cache": "^1.0"
+    "symfony/config": "~3.3 || ~4.0",
+    "symfony/dependency-injection": "~3.3 || ~4.0",
+    "symfony/event-dispatcher": "~3.3 || ~4.0",
+    "symfony/filesystem": "~3.3 || ~4.0",
+    "symfony/http-kernel": "~3.3 || ~4.0",
+    "symfony/templating": "~3.3 || ~4.0",
+    "symfony/translation": "~3.3 || ~4.0"
   },
   "require-dev": {
-    "phpcq/all-tasks": "^1.2",
     "contao/manager-plugin": "^2.1",
-    "phpstan/phpstan": "^0.10.3"
+    "phpcq/all-tasks": "^1.2"
+  },
+  "extra": {
+    "branch-alias": {
+      "dev-master": "3.1.x-dev",
+      "dev-develop": "3.2.x-dev",
+      "dev-support/2.x": "2.0.x-dev"
+    },
+    "contao": {
+      "transifex": {
+        "project": "contao-leaflet-maps",
+        "prefix": "core-",
+        "languages_cto": "src/Bundle/Resources/contao/languages",
+        "languages_tx": ".tx"
+      }
+    },
+    "contao-manager-plugin": "Netzmacht\\Contao\\Leaflet\\Bundle\\ContaoManager\\Plugin"
   },
   "autoload": {
     "psr-4": {
@@ -59,20 +69,10 @@
       "vendor/phpcq/autoload-validation/hacks/contao-hack.php"
     ]
   },
-  "extra": {
-    "branch-alias": {
-      "dev-master": "3.1.x-dev",
-      "dev-develop": "3.2.x-dev",
-      "dev-support/2.x": "2.0.x-dev"
-    },
-    "contao-manager-plugin": "Netzmacht\\Contao\\Leaflet\\Bundle\\ContaoManager\\Plugin",
-    "contao": {
-      "transifex": {
-        "project": "contao-leaflet-maps",
-        "prefix": "core-",
-        "languages_cto": "src/Bundle/Resources/contao/languages",
-        "languages_tx": ".tx"
-      }
-    }
+  "support": {
+    "email": "mail@netzmacht.de",
+    "issues": "https://github.com/netzmacht/contao-leaflet-maps/issues",
+    "source": "https://github.com/netzmacht/contao-leaflet-maps",
+    "docs": "http://leaflet-maps-for-contao.readthedocs.org/"
   }
 }