diff --git a/cdn-rewrite.php b/cdn-rewrite.php
index fffd5cea8b03f2a394bebb6225bbf47b2c575976..d65b21a7d9c53aacdf10c54f1be2eacf48e4fb2a 100644
--- a/cdn-rewrite.php
+++ b/cdn-rewrite.php
@@ -91,7 +91,7 @@ class CDN_Rewrite {
 		$section->add_field('root_url', 'CDN Root URL (required)', 'field_input', array('description' => 'The base URL of the CDN.'));
 		$section->add_field('file_extensions', 'File Extensions (required)', 'field_input');
 		$section->add_field('css_root_url', 'CDN Root URL for CSS Files (optional)', 'field_input', array('description' => 'The base URL of the CDN for CSS Files.'));
-		$section->add_field('css_file_extensions', 'File Extensions for CSS Files (required)', 'field_input');
+		$section->add_field('css_file_extensions', 'File Extensions for CSS Files (optional)', 'field_input');
 		$section->add_field('js_root_url', 'CDN Root URL for JS Files (optional)', 'field_input', array('description' => 'The base URL of the CDN for JS Files.'));
 		$section->add_field('js_file_extensions', 'File Extensions for JS Files (optional)', 'field_input');
 	}