Step 1. Navigate to the app/design/frontend/base/default/template/page/html/notices.phtml
and open the file in the editor of your choice and search for the
<div class="global-site-notice demo-notice"> <div class="notice-inner"> <p> <?php echo $this->__('This is a demo store. Any orders placed through this store will not be honored or fulfilled.') ?> </p> </div> </div>
Step 2. From here you can change the Demo Store Notice Message for example, if you want to change the text to “Store is coming soon and no orders will be processed.” As per the given below:
<div class="global-site-notice demo-notice"> <div class="notice-inner"> <p> <?php echo $this->__('Store is coming soon and no orders will be processed.') ?> </p> </div> </div>
You have done enjoy the Magento Coding.