Issue #1963760 by amitgoyal, fnuppy | valthebald: Fixed Make sure install.php...

Issue #1963760 by amitgoyal, fnuppy | valthebald: Fixed Make sure install.php gives accurate information if Drupal is already installed.

core/lib/Drupal/Core/Installer/Exception/AlreadyInstalledException.php

@@ -25,13 +25,11 @@ public function __construct(TranslationInterface $string_translation) {
 
     $title = $this->t('Drupal already installed');
     $message = $this->t('<ul>
-<li>To start over, you must empty your existing database, delete your active configuration, and copy <em>default.settings.php</em> over <em>settings.php</em>.</li>
-<li>To install to a different database, edit the appropriate <em>settings.php</em> file in the <em>sites</em> folder.</li>
-<li>To locate your active configuration, view the appropriate <em>settings.php</em> file in the <em>sites</em> folder.</li>
-<li>To upgrade an existing installation, proceed to the <a href="@base-url/core/update.php">update script</a>.</li>
-<li>View your <a href="@base-url">existing site</a>.</li>
+<li>To start over, you must empty your existing database and copy <em>default.settings.php</em> over <em>settings.php</em>.</li>
+<li>To upgrade an existing installation, proceed to the <a href="!base-url/core/update.php">update script</a>.</li>
+<li>View your <a href="!base-url">existing site</a>.</li>
 </ul>', array(
-      '@base-url' => $GLOBALS['base_url'],
+      '!base-url' => $GLOBALS['base_url'],
     ));
     parent::__construct($message, $title);
   }