diff --git a/src/DurationTest.php b/src/DurationTest.php
index fd71bbb..12c03db 100644
--- a/src/DurationTest.php
+++ b/src/DurationTest.php
@@ -292,10 +292,8 @@ final class DurationTest extends TestCase
     }
 
     /**
-     * A signed chronometer or time string must apply the sign to the whole
-     * duration, not only to the hour component. Previously the sign was lost
-     * entirely when the hour was zero and, when the hour was present, only the
-     * hour was negated while minutes and seconds stayed positive.
+     * A sign applies to the whole duration, not just the hour. It used to be
+     * lost when the hour was zero, and to negate only the hour otherwise.
      */
     #[DataProvider('signedDurationProvider')]
     public function testSignedStringsApplySignToWholeDuration(string $method, string $input, string $reference, string $expected): void