docs: add missing backslash in docker-run command

.github/workflows/dockerhub.yml

@@ -56,6 +56,6 @@ jobs:
       - name: Generate artifact attestation
         uses: actions/attest-build-provenance@v1
         with:
-          subject-name: ${{ env.IMAGE_NAME }}
+          subject-name: docker.io/${{ env.IMAGE_NAME }}
           subject-digest: ${{ steps.push.outputs.digest }}
           push-to-registry: true

README.md

@@ -80,7 +80,7 @@ docker run -it \
   -v ./scripts:/opt/paessler/share/scripts:ro \
   -v ./config:/config \
   --cap-add NET_ADMIN \
-  --cap-add NET_RAW
+  --cap-add NET_RAW \
   paessler/multi-platform-probe:latest
 ```