diff --git a/README.md b/README.md
index c12f3ea..7e2b9d0 100644
--- a/README.md
+++ b/README.md
@@ -3,9 +3,9 @@ The Acquia Drupal Recommended Settings plugin adds the recommended settings to
 the Drupal project, so developers won't have to edit settings.php manually.
 
 The recommended settings includes:
-- the required database credentials.
-- configuration sync directory path.
-- public/private etc. file directory path.
+- The required database credentials.
+- Configuration sync directory path.
+- File directory path i.e public/private etc.
 - Acquia site studio sync directory path.
 
 It allows your websites to be easily installed in both Acquia Cloud IDE & local
@@ -30,7 +30,42 @@ composer update acquia/blt -W
  - Latest release of BLT will download the acquia/drupal-recommended-settings
  plugin automatically as dependency.
 
- - add details for How to call generate() method.
+## Steps to use Acquia Drupal Recommended Settings with BLT.
+ - Create an Settings object & call generate method.
+ ```
+<?php
+
+/**
+ * @file
+ * Include DRS settings.
+ */
+
+use Acquia\Drupal\RecommendedSettings\Settings;
+
+// Create settings object.
+$settings = new Settings(DRUPAL_ROOT, 'site-uri');
+
+// Database details.
+$dbSpec = [
+  'drupal' => [
+    'db' => [
+// Database name.
+      'database' => 'drupal',
+// Mysql database login username.
+      'username' => 'drupal',
+// Mysql database login password.
+      'password' => 'drupal',
+// Mysql host.
+      'host' => 'localhost',
+// Mysql port.
+      'port' => '3306',
+    ],
+  ],
+];
+
+// Call generate method with database details.
+$settings->generate($dbSpec);
+```
 
 # License
 
diff --git a/config/build.yml b/config/build.yml
index 680995f..a8ec6cb 100644
--- a/config/build.yml
+++ b/config/build.yml
@@ -5,4 +5,4 @@ drupal:
     username: drupal
     password: drupal
     host: localhost
-    port: 3306
\ No newline at end of file
+    port: 3306
diff --git a/tests/unit/SettingsTest.php b/tests/unit/SettingsTest.php
index 20fd40d..72e0b71 100644
--- a/tests/unit/SettingsTest.php
+++ b/tests/unit/SettingsTest.php
@@ -48,7 +48,17 @@ public function setUp(): void {
     $this->fileSystem = new Filesystem();
     $this->fileSystem->touch($docroot . '/sites/default/default.settings.php');
     $this->settings = new Settings($docroot, "default");
-    $this->settings->generate();
+    $this->settings->generate([
+      'drupal' => [
+        'db' => [
+          'database' => 'drs',
+          'username' => 'drupal',
+          'password' => 'drupal',
+          'host' => 'localhost',
+          'port' => '3306',
+        ],
+      ],
+    ]);
   }
 
   /**
@@ -78,6 +88,14 @@ public function testFileIsCreated() {
     $this->assertTrue($this->fileSystem->exists($this->drupalRoot . '/docroot/sites/default/settings/default.local.settings.php'));
     // Assert that local.settings.php file exist.
     $this->assertTrue($this->fileSystem->exists($this->drupalRoot . '/docroot/sites/default/settings/local.settings.php'));
+    // Get the local.settings.php file content.
+    $localSettings = file_get_contents($this->drupalRoot . '/docroot/sites/default/settings/local.settings.php');
+    // Verify database credentials.
+    $this->assertStringContainsString("db_name = 'drs'", $localSettings, "The local.settings.php doesn't contains the 'drs' database.");
+    $this->assertStringContainsString("'username' => 'drupal'", $localSettings, "The local.settings.php doesn't contains the 'drupal' username.");
+    $this->assertStringContainsString("'password' => 'drupal'", $localSettings, "The local.settings.php doesn't contains the 'drupal' password.");
+    $this->assertStringContainsString("'host' => 'localhost'", $localSettings, "The local.settings.php doesn't contains the 'localhost' host.");
+    $this->assertStringContainsString("'port' => '3306'", $localSettings, "The local.settings.php doesn't contains the '3306' port.");
   }
 
   public function tearDown(): void {