Update 'README.md'

README.md

@@ -1,10 +1,16 @@
 # vps-benchmark
+
+### debian
 ```
-bash <(wget -O - https://git.virtubox.net/virtubox/vps-benchmark/raw/master/bench.sh)
+bash <(wget -O - https://git.virtubox.net/virtubox/vps-benchmark/raw/master/debian.sh)
 ```
 
-bash <(wget -O - https://git.virtubox.net/virtubox/vps-benchmark/raw/master/bench.sh)
+### centos 6
+```
+bash <(wget -O - https://git.virtubox.net/virtubox/vps-benchmark/raw/master/centos6.sh)
+```
 
+### centos 7
 ```
 bash <(wget -O - https://git.virtubox.net/virtubox/vps-benchmark/raw/master/centos7.sh)
 ```