Update README.md

README.md

@@ -69,7 +69,8 @@ Configure the CI/CD system as it follows (menu `Settings > CI/CD`):
 - In `Runners`:
   * [x] `Enable shared runners...`
 - In `Variables`: add the following variables: `SSH_PRIVATE_KEY`, `SSH_KNOWN_HOSTS` and `PRODUCTION_IP`. 
-  :bulb: All secrets should be **protected** and possibly **masked** (SSH public keys cannot by masked). 
+  :bulb: All secrets should be **protected** and possibly **masked** (SSH public keys cannot by masked).
+  Other optional variables to tweak depending on how you installed your server instance: `SSH_USER`, `WEB_ROOT`.
 
 
 ### Task #2: CI/CD pipeline ###
@@ -88,7 +89,7 @@ stages:
 default:
   # Do here anything common to all jobs' scripts
   before_script:
-    - # install needed packages in this runner (Web servr, etc.)
+    - # install needed packages in this runner (Web server, etc.)
     - # configure the git client on this runner
     - # set up SSH keys via ssh-agent
     - # launch the ssh-agent and feed it our key from var $SSH_PRIVATE_KEY