diff --git a/phpBB/phpbb/template/assets_bag.php b/phpBB/phpbb/template/assets_bag.php
index 067b0eb8f1..012e8bbcbe 100644
--- a/phpBB/phpbb/template/assets_bag.php
+++ b/phpBB/phpbb/template/assets_bag.php
@@ -62,27 +62,27 @@ class assets_bag
 	}
 
 	/**
-	 * Returns the HTML code to includes all css assets
+	 * Returns the HTML code to include all css assets
 	 *
 	 * @return string
 	 */
-	public function get_stylesheets_content()
+	public function get_stylesheets_content(): string
 	{
 		$output = '';
 		foreach ($this->stylesheets as $stylesheet)
 		{
-			$output .= "<link href=\"{$stylesheet->get_url()}\" rel=\"stylesheet\" media=\"screen\" />\n";
+			$output .= "<link href=\"{$stylesheet->get_url()}\" rel=\"stylesheet\" media=\"screen\">\n";
 		}
 
 		return $output;
 	}
 
 	/**
-	 * Returns the HTML code to includes all js assets
+	 * Returns the HTML code to include all js assets
 	 *
 	 * @return string
 	 */
-	public function get_scripts_content()
+	public function get_scripts_content(): string
 	{
 		$output = '';
 		foreach ($this->scripts as $script)
diff --git a/tests/template/template_includecss_test.php b/tests/template/template_includecss_test.php
index bdd32411ad..c767986f85 100644
--- a/tests/template/template_includecss_test.php
+++ b/tests/template/template_includecss_test.php
@@ -95,19 +95,19 @@ class phpbb_template_template_includecss_test extends phpbb_template_template_te
 			*/
 			array(
 				array('TEST' => 1),
-				'<link href="tests/template/templates/child_only.css?assets_version=1" rel="stylesheet" media="screen" />',
+				'<link href="tests/template/templates/child_only.css?assets_version=1" rel="stylesheet" media="screen">',
 			),
 			array(
 				array('TEST' => 2),
-				'<link href="tests/template/parent_templates/parent_only.css?assets_version=1" rel="stylesheet" media="screen" />',
+				'<link href="tests/template/parent_templates/parent_only.css?assets_version=1" rel="stylesheet" media="screen">',
 			),
 			array(
 				array('TEST' => 3),
-				'<link href="tests/template/ext/include/css/styles/all/theme/test.css?assets_version=1" rel="stylesheet" media="screen" />',
+				'<link href="tests/template/ext/include/css/styles/all/theme/test.css?assets_version=1" rel="stylesheet" media="screen">',
 			),
 			array(
 				array('TEST' => 4),
-				'<link href="tests/template/ext/include/css/styles/all/theme/child_only.css?assets_version=1" rel="stylesheet" media="screen" />',
+				'<link href="tests/template/ext/include/css/styles/all/theme/child_only.css?assets_version=1" rel="stylesheet" media="screen">',
 			),
 		);
 	}