diff --git a/templates/default/documentation.html.ep b/templates/default/documentation.html.ep
index 07c5468..c6ec3ae 100644
--- a/templates/default/documentation.html.ep
+++ b/templates/default/documentation.html.ep
@@ -108,6 +108,7 @@
               <li>Protocol::SocketIO::Message</li>
               <li>Data::Dumper</li>
               <li>DateTime</li>
+              <li>Array::Diff</li>
             </ul>
           </li>
           <li>The following perl modules are optional
@@ -174,7 +175,7 @@ yum install epel-release</pre>
         The following command will install everything required to run VROOM
         <pre>
 yum install git tar wget httpd mod_ssl openssl mariadb-server \\
-           'perl(DBI)' 'perl(DBD::mysql)' \\
+           'perl(DBI)' 'perl(DBD::mysql)' 'perl('Array::Diff)' \\
            'perl(Mojolicious)' 'perl(Mojolicious::Plugin::I18N)' 'perl(Mojolicious::Plugin::Mail)' \\
            'perl(Crypt::SaltedHash)' 'perl(Etherpad::API)' 'perl(LWP::Protocol::https)' \\
            'perl(Sesion::Token)' 'perl(Mojolicious::Plugin::Database)' \\
@@ -715,16 +716,8 @@ systemctl restart vroom.service</pre>
               <td>A room is being deleted by a user action</td>
             </tr>
             <tr>
-              <td>add_email_notification</td>
-              <td>Add an email to the list of notifications sent when someone joins a room</td>
-            </tr>
-            <tr>
-              <td>reset_email_notification</td>
-              <td>Reset the list of email being notified when someone joins a rooms</td>
-            </tr>
-            <tr>
-              <td>del_email_notification</td>
-              <td>Remove an email from the list of notifications sent when someone joins a room</td>
+              <td>email_notification_change</td>
+              <td>The list of email being notified when someone joins a room has been updated</td>
             </tr>
             <tr>
               <td>send_invitation</td>
diff --git a/vroom.pl b/vroom.pl
index f8c3da5..e8d1f4e 100755
--- a/vroom.pl
+++ b/vroom.pl
@@ -23,6 +23,7 @@ use Protocol::SocketIO::Message;
 use File::Path qw(make_path);
 use File::Basename;
 use DateTime;
+use Array::Diff;
 use Data::Dumper;
 
 app->log->level('info');
@@ -654,10 +655,6 @@ helper add_notification => sub {
     $data->{id},
     $email
   );
-  $self->log_event({
-    event => 'add_email_notification',
-    msg   => "Adding $email to the notification list for room " . $data->{name}
-  });
   return 1;
 };
 
@@ -670,6 +667,26 @@ helper update_email_notifications => sub {
   if (!$data){
     return 0;
   }
+  my $old = $self->get_email_notifications($room);
+  my @old = sort map { $old->{$_}->{email} } keys $old;
+  my @new = sort @$emails;
+  # Remove empty email
+  @new = grep { $_ ne '' } @new;
+  my $diff = Array::Diff->diff(\@old, \@new);
+  # Are we changing the list of email ?
+  if ($diff->count > 0){
+    my $msg = "Notification list for room $room has changed\n";
+    if (scalar @{$diff->deleted} > 0){
+      $msg .= "Emails being removed: " . join (', ', @{$diff->deleted}) . "\n";
+    }
+    if (scalar @{$diff->added} > 0){
+      $msg .= "Emails being added: " . join (', ', @{$diff->added}) . "\n";
+    }
+    $self->log_event({
+      event => 'email_notification_change',
+      msg   => $msg
+    });
+  }
   # First, drop all existing notifications
   my $sth = eval {
     $self->db->prepare('DELETE FROM `email_notifications`
@@ -678,12 +695,8 @@ helper update_email_notifications => sub {
   $sth->execute(
     $data->{id},
   );
-  $self->log_event({
-    event => 'reset_email_notification',
-    msg   => 'Resetting email notification list for room ' . $data->{name}
-  });
   # Now, insert new emails
-  foreach my $email (@$emails){
+  foreach my $email (@new){
     # Skip empty inputs
     if ($email eq ''){
       next;