diff --git a/README.md b/README.md
index 1d2e50ec7a7da15d54dad756ed21dc30e55807df..38e6334ad125f5d29f3c82373f7f1a2d6d203638 100755
--- a/README.md
+++ b/README.md
@@ -1,5 +1,13 @@
+# Stechuhr-Server
+
+The stechuhr system is a contract tracing solution created at HFBK-Hamburg. The students use their Mifare RFID cards to check in at one station when they enter a area and out once they leave. The checkin/checkouts are transfered to a server and stored in a SQLite database. The stations store no data at all.
+
+The server software _stechuhr-server_ is programmed in python3 and uses Flask as a web frontend. Data is stored in a SQLite database.
+
+
 
 ## Run dev-server with poetry
+
 To make a development server run on localhost:
 ```python3
 export FLASK_APP=stechuhr_server/server.py
@@ -52,16 +60,26 @@ After first start the default config file should be created, have a look at it a
 
 To make the server reachable from the outside a reverse proxy (like NGINX) needs to be setup. For this have a look at the example configuration file: `stechuhr.server.nginx.config` You may need to change a few things like the host or proxy_pass port.
 
-# Configuration
+## Configuration
+
+### Application
+Application related settings. Here the database can be exposed via a GET request for debugging purposes. Make sure this is off in production, or make sure no such http requests can be made from the public internet.
+
+### Database
+
+Set the path to change where the database file is stored. Make sure that the path is writeable by the service user
 
-## ID verification
+### ID verification
 
 in `config.toml` you can add a list of regex patterns that stechuhr (*both on server and on client!*) uses to verify the Card IDs. These two patterns for example allow upper/lowercase hex strings with lengths either between 6 and 16 characters OR exactly 24 characters:
 
 ```toml
 id_patterns = [
-    "^[A-Fa-f0-9]{24}$",
-    "^[A-Fa-f0-9]{6,16}$",
+    "^806[A-Z0-9]{9}04$",
+    "^FB6A1E60$",
+    "^FB6D6950$",
+    "^FB6A9DE0$",
+    "^FB67D500$",
 ]
 ```