diff --git a/README.md b/README.md
index 4ae2b50..043d83d 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ Documentation
 -------------
 
 * [Installation](#installation)
+* [Configuration](#configuration)
 * [How to use](#how-to-use)
 * [Annotations](#annotations)
     * [Admin](#admin)
@@ -62,6 +63,16 @@ return [
 ];
 ```
 
+## Configuration
+
+By default we scan all files in your `src` directory, if you save your entities somewhere
+else you can change the directory:
+
+```yaml
+sonata_annotation:
+    directory: '%kernel.project_dir%/src/'
+```
+
 ## How to use
 
 Instead of creating class for Admin it is enough to just add annotation