better method description of Enum::is()

Author: marc-mabe

src/MabeEnum/Enum.php

@@ -139,7 +139,7 @@ final public function getOrdinal()
     }
 
     /**
-     * Compare this enum against another enum and check if it's the same value
+     * Compare this enum against another enum and check if it's the same
      *
      * @param mixed $value
      * @return bool