<br>
<label for="email">My e-mail: </label><input type="email" name="email" placeholder="only me can see, optional">
<br>
- <label for="comment">Comment: </label><br><textarea name="comment" rows="10" cols="45" required></textarea>
+ <label for="comment">Comment: </label><br><textarea name="comment" rows="10" cols="45" placeholder="put your comment here..." required></textarea>
<br>
<button type="submit">Sign the guestbook</button>
</form>