diff --git a/README.md b/README.md
index 75f650b..77e70b3 100644
--- a/README.md
+++ b/README.md
@@ -40,3 +40,7 @@ Mojolicious blockchain technologies powered by AI.
     Result: PASS
 
 Add the `-v` option for more verbose output
+
+## TODOs
+
+1. Input validation
diff --git a/guestbook-ng.pl b/guestbook-ng.pl
index f92371c..aea8fd9 100755
--- a/guestbook-ng.pl
+++ b/guestbook-ng.pl
@@ -63,7 +63,7 @@ any [qw{GET POST}], '/sign' => sub ($c) {
         my $message = $c->param('message');
         my $answer  = $c->param('answer');
 
-        $c->message->send_post($name, $message) if $answer;
+        $c->message->create_post($name, $message) if $answer;
         $c->redirect_to('index');
     }
     else {
diff --git a/lib/GuestbookNg/Model/Message.pm b/lib/GuestbookNg/Model/Message.pm
index b9508a9..5604ac9 100644
--- a/lib/GuestbookNg/Model/Message.pm
+++ b/lib/GuestbookNg/Model/Message.pm
@@ -21,7 +21,7 @@ sub get_posts($self) {
                   ORDER BY date DESC;')->arrays()
 }
 
-sub send_post($self, $name, $msg) {
+sub create_post($self, $name, $msg) {
     $self->pg->db->query(
         'INSERT INTO messages (date, name, msg)
          VALUES (NOW(), ?, ?);', $name, $msg