Thread:Talk:RPi-Cam-Web-Interface/Where is the main html page/reply

Did you see this note in the installation section:

IMPORTANT NOTE: If you need to change any files then you need to do these in the run time version (e.g. in the /var/www/html folder or /etc/raspimjpeg). Changing files in the RPi_Cam_Web_Interface folder has no immediate effect. These are just copies used during the install.