diff --git a/src/HtmlProcessor/CssVariableEvaluator.php b/src/HtmlProcessor/CssVariableEvaluator.php
index 69518008..9adf0b9c 100644
--- a/src/HtmlProcessor/CssVariableEvaluator.php
+++ b/src/HtmlProcessor/CssVariableEvaluator.php
@@ -23,9 +23,9 @@ final class CssVariableEvaluator extends AbstractHtmlProcessor
      * Replaces all CSS custom property references in inline style attributes with their corresponding values where
      * defined in inline style attributes (either from the element itself or the nearest ancestor).
      *
-     * @throws \UnexpectedValueException
-     *
      * @return $this
+     *
+     * @throws \UnexpectedValueException
      */
     public function evaluateVariables(): self
     {
@@ -149,7 +149,7 @@ function (string $propertyValue) use (&$substitutionsMade): string {
     }
 
     /**
-     * @param array<non-empty-string, string> $declarations;
+     * @param array<non-empty-string, string> $declarations
      */
     private function getDeclarationsAsString(array $declarations): string
     {
diff --git a/tests/Unit/Css/CssDocumentTest.php b/tests/Unit/Css/CssDocumentTest.php
index d0d9cef9..973d4081 100644
--- a/tests/Unit/Css/CssDocumentTest.php
+++ b/tests/Unit/Css/CssDocumentTest.php
@@ -570,16 +570,20 @@ public function provideInvalidNonConditionalAtRuleWhichCausesException(): array
     public function provideInvalidNonConditionalAtRuleWhichDoesNotCauseException(): array
     {
         return [
-            '`@font-face` without `font-family`' => ['
-                @font-face {
-                  src: url("/foo-sans.woff2") format("woff2");
-                }
-            '],
-            '`@font-face` without `src`' => ['
-                @font-face {
-                  font-family: "Foo Sans";
-                }
-            '],
+            '`@font-face` without `font-family`' => [
+                '
+                    @font-face {
+                      src: url("/foo-sans.woff2") format("woff2");
+                    }
+                ',
+            ],
+            '`@font-face` without `src`' => [
+                '
+                    @font-face {
+                      font-family: "Foo Sans";
+                    }
+                ',
+            ],
             '`@import` after style rule' => ['@import "foo.css";', 'p { color: red; }'],
             '`@import` after `@font-face` rule' => ['@import "foo.css";', self::VALID_AT_FONT_FACE_RULE],
         ];