diff --git a/system/database/DB.php b/system/database/DB.php
index 79e5c7ad232..f4062fa732f 100644
--- a/system/database/DB.php
+++ b/system/database/DB.php
@@ -50,18 +50,18 @@ function &DB($params = '', $query_builder_override = NULL)
 		}
 
 		include($file_path);
-		//make packages contain database config files
-		foreach(get_instance()->load->get_package_paths() as $path)
+		// Make packages contain database config files
+		foreach (get_instance()->load->get_package_paths() as $path)
 		{
 			if ($path !== APPPATH)
 			{
-				if (file_exists ($file_path = $path.'config/'.ENVIRONMENT.'/database.php'))
+				if (file_exists($file_path = $path.'config/'.ENVIRONMENT.'/database.php'))
 				{
-					include ($file_path);
+					include($file_path);
 				}
-				elseif ( file_exists ($file_path = $path.'config/database.php'))
+				elseif (file_exists($file_path = $path.'config/database.php'))
 				{
-					include ($file_path);
+					include($file_path);
 				}
 			}
 		}
@@ -85,12 +85,12 @@ function &DB($params = '', $query_builder_override = NULL)
 	}
 	elseif (is_string($params))
 	{
-
-		/* parse the URL from the DSN string
-		 *  Database settings can be passed as discreet
-		 *  parameters or as a data source name in the first
-		 *  parameter. DSNs must have this prototype:
-		 *  $dsn = 'driver://username:password@hostname/database';
+		/**
+		 * Parse the URL from the DSN string
+		 * Database settings can be passed as discreet
+		 * parameters or as a data source name in the first
+		 * parameter. DSNs must have this prototype:
+		 * $dsn = 'driver://username:password@hostname/database';
 		 */
 		if (($dsn = @parse_url($params)) === FALSE)
 		{
@@ -106,7 +106,7 @@ function &DB($params = '', $query_builder_override = NULL)
 				'database'	=> isset($dsn['path']) ? rawurldecode(substr($dsn['path'], 1)) : ''
 			);
 
-		// were additional config items set?
+		// Were additional config items set?
 		if (isset($dsn['query']))
 		{
 			parse_str($dsn['query'], $extra);