diff --git a/messages/uniworx/categories/qualification/de-de-formal.msg b/messages/uniworx/categories/qualification/de-de-formal.msg
index 774b3b178..70a471163 100644
--- a/messages/uniworx/categories/qualification/de-de-formal.msg
+++ b/messages/uniworx/categories/qualification/de-de-formal.msg
@@ -36,6 +36,7 @@ TableLmsStaff: Interner Mitarbeiter?
 TableLmsStarted: Begonnen
 TableLmsReceived: Letzte Rückmeldung
 TableLmsNotified: Versand Benachrichtigung
+TableLmsNotifiedTooltip: Benachrichtigungen werden erst versendet wenn das LMS bestätigt die Eröffnung des E-Learning für den Benutzer bestätigt hat, was ein paar Stunden dauern kann!
 TableLmsEnded: Beended
 TableLmsStatus: Status E-Learning
 TableLmsSuccess: Bestanden
diff --git a/messages/uniworx/categories/qualification/en-eu.msg b/messages/uniworx/categories/qualification/en-eu.msg
index 7d31de380..00a6115d3 100644
--- a/messages/uniworx/categories/qualification/en-eu.msg
+++ b/messages/uniworx/categories/qualification/en-eu.msg
@@ -36,6 +36,7 @@ TableLmsStaff: Staff?
 TableLmsStarted: Started
 TableLmsReceived: Last update
 TableLmsNotified: Notification sent
+TableLmsNotifiedTooltip: Notfications are not sent before the LMS acknowledges the opening of the e-learning course for the user, which may take several hours!
 TableLmsEnded: Ended
 TableLmsStatus: Status e-learning
 TableLmsSuccess: Completed
diff --git a/src/Handler/LMS.hs b/src/Handler/LMS.hs
index f4ad4555f..d2eafeecd 100644
--- a/src/Handler/LMS.hs
+++ b/src/Handler/LMS.hs
@@ -534,7 +534,7 @@ postLmsLSR sid qsh nlimit noffset
           , sortable (Just "lms-datepin")   (i18nLms MsgTableLmsDatePin)  $ \(preview $ resultLmsUser  . _entityVal . _lmsUserDatePin  -> d) -> foldMap dateTimeCell        d
           , sortable (Just "lms-received")  (i18nLms MsgTableLmsReceived) $ \(preview $ resultLmsUser  . _entityVal . _lmsUserReceived -> d) -> foldMap dateTimeCell $ join d
           --, sortable (Just "lms-notified")  (i18nLms MsgTableLmsNotified) $ \(preview $ resultLmsUser  . _entityVal . _lmsUserNotified -> d) -> foldMap dateTimeCell $ join d
-          , sortable (Just "lms-notified")  (i18nLms MsgTableLmsNotified) $ \row ->
+          , sortable (Just "lms-notified")  (i18nLms MsgTableLmsNotified & cellTooltip MsgTableLmsNotifiedTooltip) $ \row ->
               -- 4 Cases:
               --   - No notification: LmsUserNotified == Nothing
               --   - Email sent     : LmsUserNotified == Just _  && PrintJobId == Nothing