diff --git a/mail.php b/mail.php
index 1e2f504..496c6ee 100644
--- a/mail.php
+++ b/mail.php
@@ -3,6 +3,7 @@
     @package domframework
     @author Dominique Fournier <dominique@fournier38.fr> */
 
+/** The class to create a complete email. Can read an email from a content */
 class mail
 {
 
@@ -1086,7 +1087,7 @@ class mail
     else
     {
       if (! array_key_exists ($sectionID, $this->sections))
-        throw new \Exception ("Wanted section not found in addHeader", 404);
+        throw new \Exception ("Wanted section not found in delHeader", 404);
       $sectionMainID = $sectionID;
     }
     $found = false;