Annotations : info text while a list is empty

annotations/templates/annotations/main.html

@@ -29,8 +29,10 @@
               </li>
             </ul>
             <div class="tab-content">
-              <div ng-class="{active: $first == true}" class="tab-pane" ng-repeat="(listId, listName) in activeLists" id="tab-{[{listId}]}">
-                <div ng-if="extraNgramList[listId].length == 0" class="alert alert-info" role="alert">No Ngram in {[{listName}]} yet</div>
+              <div ng-repeat="(listId, listName) in activeLists" ng-class="{active: $first == true}" class="tab-pane" id="tab-{[{listId}]}">
+                <div ng-if="extraNgramList[listId].length == 0" class="alert alert-info" role="alert">
+                  Input any keyword you want to link to this article and the list named '{[{listName}]}'
+                </div>
 
                 <ul class="list-group words-list">
                   <li ng-repeat="keyword in extraNgramList[listId] | startFrom:currentListPage[listId]*pageSize | limitTo:pageSize" class="list-group-item">