Update 'html/INSTALLATION_NOTES.md'

html/INSTALLATION_NOTES.md

@@ -39,21 +39,20 @@ NB: The 2 turns on the setGID bit meaning:
 ```
         location /lab/mmurtaugh/ {
             proxy_pass http://localhost:9050/;
-	    # ADDs sandbot
-	    rewrite /(.*) /sandbot/$1  break;
-	    include /etc/nginx/includes/lab.conf;
+	        include /etc/nginx/includes/lab.conf;
         }
 ```
 
-And made a file for common settings:
+And made a file for common settings (nb: replace sandbot with correct path):
 
     sudo nano /etc/nginx/includes/lab.conf
 ```
+rewrite /(.*) /sandbot/$1  break;
 error_page 502 /lab/502.html;
 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 proxy_set_header X-Real-IP $remote_addr;
-            proxy_set_header Host $http_host;
-            proxy_http_version 1.1;
+proxy_set_header Host $http_host;
+proxy_http_version 1.1;
 proxy_redirect off;
 proxy_buffering off;
 proxy_set_header Upgrade $http_upgrade;