chore: update README.md

fix some serial numbers

Author: Tuscan-blue

README.md

@@ -74,9 +74,9 @@ Fully managed hosting of your personal Haven is available too, check out: https:
 1. Install `docker` and `docker-compose`  
    If you don't know how to install `docker` and `docker-compose`, you can find info in [introduction to docker](https://fullstackopen.com/en/part12/introduction_to_containers#installing-everything-required-for-this-part) , [overview of installing docker compose](https://docs.docker.com/compose/install/) and [get docker desktop](https://docs.docker.com/get-docker/).
 
-3. Clone the repository: `git clone https://github.com/havenweb/haven.git`
-4. Run `cd haven`
-5. Run `docker compose up`
+2. Clone the repository: `git clone https://github.com/havenweb/haven.git`
+3. Run `cd haven`
+4. Run `docker compose up`
 
 Feel free to use the included `Dockerfile` and `docker-compose.yml`.  You probably want to modify the env vars in `docker-compose.yml` to specify a different `HAVEN_USER_EMAIL` and `HAVEN_USER_PASS`.  These will be used to create you initial user (and password) on startup.