diff --git a/src/Russian/functions.php b/src/Russian/functions.php
index 095bb21..2aae16e 100644
--- a/src/Russian/functions.php
+++ b/src/Russian/functions.php
@@ -4,7 +4,7 @@
 use morphos\S;
 
 /**
- * Inflects the name to all / another cases.
+ * Inflects the name to all cases / one case.
  * @param string      $fullname Name in format: "L F" o "L M F", where L - last name, M - middl name, F - first name
  * @param null|string $case     Case to inflect to. If null, result will contain inflection to all cases.
  *                              Should be one of {@link morphos\Cases} or {@link morphos\Russian\Cases} constants.
diff --git a/tests/Russian/LastNamesInflectionTest.php b/tests/Russian/LastNamesInflectionTest.php
index 8ea92f4..09d94ef 100644
--- a/tests/Russian/LastNamesInflectionTest.php
+++ b/tests/Russian/LastNamesInflectionTest.php
@@ -87,6 +87,7 @@ public function immutableNamesProvider()
         return [
             ['Фоминых', NamesInflection::MALE],
             ['Хитрово', NamesInflection::MALE],
+            ['Бози', NamesInflection::MALE],
         ];
     }
 }