diff --git a/frontend/app/views/partials/case/case.close.html b/frontend/app/views/partials/case/case.close.html
index 5d45dbbe83..1abb66a9c8 100644
--- a/frontend/app/views/partials/case/case.close.html
+++ b/frontend/app/views/partials/case/case.close.html
@@ -6,7 +6,9 @@ <h3 class="modal-title">Close Case #{{caze.number}}</h3>
         <div ng-show="!tasksValid">
             <div align="center" class="alert alert-danger">
                 <i class="glyphicon glyphicon-exclamation-sign"></i>
-                This case contains the following open or unassigned tasks
+                This case contains the following open or unassigned tasks. Closing the case will permanently remove the unassigned ones.
+                <br>
+                This action cannot be undone.
             </div>
             <table class="table table-hover">
                 <thead>