diff --git a/README.md b/README.md
index d12a982..4d58985 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,34 @@
-# jackrabbit
-Nanbando-Plugin to backup jackrabbit data
+# Nanbando: jackrabbit
+
+Nanando-Plugin which uses `phpcr` to backup and restore jackrabbit data.
+
+## Installation
+
+You can install this plugin by adding `nanbando/jackrabbit` to the `require`-section of the nanbando.json file.
+
+## Configuration
+
+```json
+{
+    "name": "application",
+    "backup": {
+        "cmf": {
+            "plugin": "jackrabbit",
+            "parameter": {
+                "jackrabbit_uri": "http://localhost:8080/server/",
+                "workspace": "default",
+                "user": "admin",
+                "password": "***",
+                "path": "/cmf"
+            }
+        },
+    },
+    "require": {
+        "nanbando/jackrabbit": "^0.1"
+    }
+}
+```
+
+## Documentation
+
+See the official documentation on [nanbando.readthedocs.io/en/latest/plugins/index.html](https://nanbando.readthedocs.io/en/latest/plugins/index.html).
diff --git a/composer.json b/composer.json
index 639c6e3..85fdd49 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
         "jackalope/jackalope-jackrabbit": "^1.2"
     },
     "require-dev": {
-        "nanbando/core": "dev-master",
+        "nanbando/core": "^0.1|dev-master",
         "phpunit/phpunit": "^5.3"
     },
     "autoload": {