Fix readme regarding the data folder initialization
Change-Id: Ib06b48b073728e9ae1479cf3ead8d679a0f9b4b7
diff --git a/Readme.md b/Readme.md
index 8fd5b75..3ed41fc 100644
--- a/Readme.md
+++ b/Readme.md
@@ -50,7 +50,8 @@
To use your own index, please follow the instructions
on [Corpus Conversion](#corpus-conversion) first.
-To run the service with a user management system, start it with
+To run the service with a user management system, first create a directory
+`data` in your working directory and then start it with
```shell
INDEX=./index docker compose -p korap --profile=full up