docs: Add rm flag to docker run command

README.md

@@ -7,7 +7,7 @@ The Terrapin Vulnerability Scanner is a small utility program written in Go, whi
 For convenience, we are providing pre-compiled binaries for all major desktop platforms. These can be found on the [Release page](https://github.com/RUB-NDS/Terrapin-Scanner/releases/latest). We have also provided a Docker image that supports most of the major architectures. This image can be run as:
 
 ```bash
-docker run -it ghcr.io/rub-nds/terrapin-scanner <args>
+docker run --rm -it ghcr.io/rub-nds/terrapin-scanner <args>
 ```
 
 However, we understand that you might prefer building tools, that connect to your SSH server, yourself. To do this, ensure that you have at least Go v1.18 installed. To compile and install the Terrapin Vulnerability Scanner Go package, run the command below.