diff --git a/src/Mrz.php b/src/Mrz.php
index 452d28b..ac07896 100644
--- a/src/Mrz.php
+++ b/src/Mrz.php
@@ -5,7 +5,7 @@
 namespace Alphaolomi\Mrz;
 
 /**
- * Class Mrz
+ * Write MRZ code for TD1 format
  *
  * @package Alphaolomi\Mrz
  * @version 1.0.0
@@ -57,6 +57,9 @@ public function __construct(
         $this->handleBiggerDocumentNumbers();
     }
 
+    /**
+     * Generate TD1 code
+     */
     public function TD1CodeGenerator(): string
     {
         return $this->line1() . PHP_EOL . $this->line2() . PHP_EOL . $this->line3();
diff --git a/src/MrzParser.php b/src/MrzParser.php
index 2149d38..2ed8561 100644
--- a/src/MrzParser.php
+++ b/src/MrzParser.php
@@ -5,7 +5,7 @@
 use Exception;
 
 /**
- * Class MrzParser
+ * Parse MRZ (Machine Readable Zone) from Passport, Visa or ID-1
  *
  * @package AlphaOlomi\Mrz*
  * @version 1.0.0