1 files changed, 4 insertions, 3 deletions

diff --git a/src/mailman_pgp/mta/personalized.py b/src/mailman_pgp/mta/personalized.py
index c2c9a15..a89301f 100644
--- a/src/mailman_pgp/mta/personalized.py
+++ b/src/mailman_pgp/mta/personalized.py
@@ -15,7 +15,7 @@
 # You should have received a copy of the GNU General Public License along with
 # this program.  If not, see <http://www.gnu.org/licenses/>.
 
-""""""
+"""PGP enabled IndividualDelivery."""
 from mailman.mta.base import IndividualDelivery
 from mailman.mta.decorating import DecoratingMixin
 from mailman.mta.personalized import PersonalizedMixin
@@ -29,10 +29,11 @@ from mailman_pgp.utils.email import overwrite_message
 
 
 class PGPIndividualMixin:
-    """"""
+    """Individual encryption and signing Delivery mixin."""
 
     def sign_encrypt(self, mlist, msg, msgdata):
         """
+        Sign and encrypt the outgoing message to the recipient.
 
         :param mlist:
         :type mlist: mailman.model.mailinglist.MailingList
@@ -74,7 +75,7 @@ class PGPIndividualMixin:
 @public
 class PGPPersonalizedDelivery(IndividualDelivery, VERPMixin, DecoratingMixin,
                               PersonalizedMixin, PGPIndividualMixin):
-    """"""
+    """Individual PGP enabled delivery."""
 
     def __init__(self):
         super().__init__()