diff --git a/src/Sasae.php b/src/Sasae.php
index fb4b15b..509b1a6 100644
--- a/src/Sasae.php
+++ b/src/Sasae.php
@@ -5,6 +5,9 @@
 
 namespace Sasae;
 
+/**
+ * Provides information about the Sasae library.
+ */
 final class Sasae {
     public const PATH_SOURCE = __DIR__;
     public const PATH_ROOT = self::PATH_SOURCE . DIRECTORY_SEPARATOR . '..';