#297 Alert message about grade override (#299)

* #297 Alert message about gradeoverride

* Text changes to GEFF

src/main/webapp/assets-lti/views/grades.html

@@ -1,14 +1,15 @@
 <ul class="nav nav-tabs" role="tablist">
-  <li role="presentation" class="active"><a data-target="#geff" href="" aria-controls="geff" role="tab" data-toggle="tab">Grade Export File Formatter</a></li>
+  <li role="presentation" class="active"><a data-target="#geff" href="" aria-controls="geff" role="tab" data-toggle="tab">Gradebook Export File Formatter</a></li>
   <li role="presentation"><a data-target="#puff" href="" aria-controls="puff" role="tab" data-toggle="tab">Trim CSV to Section</a></li>
 </ul>
 <!-- Tab panes -->
 <div class="tab-content">
   <div role="tabpanel" class="tab-pane active" id="geff">
-    <h2 style="font-size:130%">Grade Export File Formatter</h2>
+    <h2 style="font-size:130%">Gradebook Export File Formatter</h2>
     <p>
-      Use Grade Export File Formatter to reformat the "CSV File" from "Grades" into acceptable format for upload into "Faculty Center"
+      This tool creates a CSV file suitable for uploading final grades in the Faculty Center.
     </p>
+    <p><span style="color: red">WARNING</span>: this tool <strong>DOES NOT</strong> support the Canvas final grade override feature.</p>
     <div id="currentFinalMismatch" class="alert alert-danger" style="display:none">
       <p>
         There are blank cells in the gradebook. Please enter <em>0</em> or <em>EX</em>  (for excused) for any blank cells in the gradebook and export a new CSV file.
@@ -29,7 +30,7 @@ <h2 style="font-size:130%">Grade Export File Formatter</h2>
     </div>
     <div class="text-center drop-file-or" style="margin-top: -10px;margin-bottom: 10px;color: rgb(187,187,187);pointer-events: none;font-size: 25px;">
       or
-      <p>choose a grade file</p>
+      <p>choose a gradebook file</p>
     </div>
     <input class="btn btn-primary" id="csv-file" type="file" name="files" style="display:inline">
     </div>