diff --git a/main/webapp/modules/core/scripts/dialogs/custom-tabular-exporter-dialog.html b/main/webapp/modules/core/scripts/dialogs/custom-tabular-exporter-dialog.html
index d984edbe2..98cd8f169 100644
--- a/main/webapp/modules/core/scripts/dialogs/custom-tabular-exporter-dialog.html
+++ b/main/webapp/modules/core/scripts/dialogs/custom-tabular-exporter-dialog.html
@@ -59,7 +59,7 @@
                 <td width="1%"><input type="radio" name="custom-tabular-exporter-date" value="custom" id="$custom-exporter-date-custom" /></td>
                 <td colspan="3">
                   <label for="$custom-exporter-date-custom" bind="or_dialog_custom"></label> <input size="35" class="lightweight" bind="dateCustomInput" />
-                  <a href="" target="_blank" bind="or_dialog_help"></a>
+                  <a href="https://docs.oracle.com/javase/8/docs/api/java/text/SimpleDateFormat.html" target="_blank" bind="or_dialog_help"></a>
                 </td>
               </tr>
               <tr>
@@ -167,4 +167,4 @@
   <div class="dialog-footer" bind="dialogFooter"><div class="grid-layout layout-tightest layout-full"><table><tr>
     <td><button class="button" bind="cancelButton"></button></td>
   </tr></table></div></div>
-</div>
\ No newline at end of file
+</div>