diff --git a/src/Paginator/OffsetPaginator.php b/src/Paginator/OffsetPaginator.php
index 5310fe6..8bbb157 100644
--- a/src/Paginator/OffsetPaginator.php
+++ b/src/Paginator/OffsetPaginator.php
@@ -123,7 +123,7 @@ public function withPageSize(int $pageSize): static
      *
      * @param int $page Page number.
      *
-     * @throws InvalidArgumentException If page is not positive number.
+     * @throws InvalidArgumentException If page is not a positive number.
      *
      * @return self New instance.
      *