Merge pull request #120 from wevinkang/patch-1

Update README.md

README.md

@@ -1018,7 +1018,7 @@ NTP stands for Network Time Protocol. In the context of this guide, an NTP clien
 1. Make a backup of the NTP client's configuration file `/etc/ntp.conf`:
 
     ``` bash
-    sudo cp --archive /etc/ntp.conf /etc/ntp.conf-COPY-$(date +"%Y%m%d%H%M%S")
+    sudo cp --archive /etc/ntpsec/ntp.conf /etc/ntpsec/ntp.conf-COPY-$(date +"%Y%m%d%H%M%S")
     ```
 
 1. The default configuration, at least on Debian, is already pretty secure. The only thing we'll want to make sure is we're the `pool` directive and not any `server` directives. The `pool` directive allows the NTP client to stop using a server if it is unresponsive or serving bad time. Do this by commenting out all `server` directives and adding the below to `/etc/ntp.conf`.