fixed typo in print usage

fixed typo in the print usage description of the docker run command

Signed-off-by: Tom Müller <60851960+toamto94@users.noreply.github.com>

docker/driver-loader-legacy/docker-entrypoint.sh

@@ -21,7 +21,7 @@
 print_usage() {
 	echo ""
 	echo "Usage:"
-	echo "  docker run -i -t --privileged -v /root/.falco:/root/.falco -v /proc:/host/proc:ro -v /boot:/host/boot:ro -v /lib/modules:/host/lib/modules:ro -v /usr:/host/usr:ro -v /etc:/host/etc:ro falcosecurity/falco-driver-loader:latest [driver] [options]"
+	echo "  docker run -i -t --privileged -v /root/.falco:/root/.falco -v /proc:/host/proc:ro -v /boot:/host/boot:ro -v /lib/modules:/host/lib/modules:ro -v /usr:/host/usr:ro -v /etc:/host/etc:ro falcosecurity/falco-driver-loader-legacy:latest [driver] [options]"
 	echo ""
 	echo "Available drivers:"
 	echo "  kmod           kernel module (default)"