Update README.md

Author: SichengH

README.md

@@ -15,19 +15,20 @@
 1. Add mimic-production to remote
    After the pull request of the new material is merged into the main branch of mimic-website, pull down the latest version of main to your  local repo. Run the following command after filling in the IP address for server Heimdallr:
 
-   `git remote add mimic-production webuser@<IP address for Heimdallr>:/home/webuser/mimic-website.git`
+   `git remote add mimic-production webuser@192.168.100.160:/home/webuser/mimic-website.git`
 
    * Optional: Check if the command above ran correctly,
    Run command: `git remote -v`
    should return:
-   mimic-production webuser@<IP address for Heimdallr>:/home/webuser/mimic-website.git (fetch)
-   mimic-production webuser@<IP address for Heimdallr>:/home/webuser/mimic-website.git (push)
+   mimic-production webuser@<192.168.100.160>:/home/webuser/mimic-website.git (fetch)
+   mimic-production webuser@<192.168.100.160>:/home/webuser/mimic-website.git (push)
    origin   https://www.github.com/MIT-LCP/mimic-website (fetch)
    origin   https://www.github.com/MIT-LCP/mimic-website (push)
 
 2. Sshuttle into the production server
+ (Skip if you are within the lab secure network, aka the "red lines")
 
-   Run the following command after filling in the  LCP username and IP address: `alias sshcsail="sshuttle -r <LCP    username>@heimdallr.csail.mit.edu 192.168.100.0/24"`
+   Run the following command after filling in the  LCP username and IP address: `alias sshcsail="sshuttle -r <LCP username>@heimdallr.csail.mit.edu 192.168.100.0/24"`
 
    Run command: `sshcsail`