Better wording

Signed-off-by: Shiny Nematoda <snematoda@noreply.codeberg.org>

README.md

@@ -14,6 +14,7 @@ Make sure the following dependencies are met:
 Clone the repo
 ```sh
 $ git clone https://codeberg.org/Hyperpipe/Docker
+cd Docker
 ```
 
 Make the setup script executable
@@ -28,6 +29,8 @@ $ ./gen.sh
 
 ### Step 3 - Docker
 
+*Run the following commands as root*
+
 Build
 ```sh
 $ docker-compose build
@@ -47,7 +50,10 @@ $ ./update.sh
 
 ## Cleaning
 
-You can use this to clean old files but be aware that all docker images that are down will get removed too so if you self host other stuff than hyperpipe, make sure to run all images (incl databases) then run the command down
+***WARNING: The following command will remove ALL existing docker images that are not currently running***
+
+*Run the following commands as root*
+
 ```sh
 # docker system prune -a
 # docker volume prune