diff --git a/README.md b/README.md
index c576c2c..fbd1b17 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@
 
 ## Quick start
 
-* `abra app new authentik --secrets`
+* `abra app new authentik`
 * `abra app config <app-name>`
 * `abra app secret insert <app_name> email_pass v1 <password>`
 * `abra app secret generate -a <app_name>
@@ -39,14 +39,21 @@ abra app cmd <app_name> app set_admin_pass
 
 ## Customization
 
+Place the files you want to overwrite in a directory `<assets_path>`.
+Run `abra app config <app_name>` and define the env variable `COPY_ASSETS` in the following format:
+
+```
+"<source_file1>|<service>:<target_directory1> <source_file2>|<service>:<target_directory2> ...
+```
+
+For example:
+
+```
+COPY_ASSETS="flow_background.jpg|app:/web/dist/assets/images/ icon_left_brand.svg|app:/web/dist/assets/icons/ icon.png|app:/web/dist/assets/icons/"
+```
+
 Run this command after every deploy/upgrade:
 
 `abra app command --local <app-name> customize <assets_path>`
 
-This command replaces the background image, the logo and the favicon with the following files placed in the `<assets_path>` directory:
-* `flow_background.jpg`
-* `icon_left_brand.svg`
-* `icon.png`
-
-
 For more, see [`docs.coopcloud.tech`](https://docs.coopcloud.tech).